./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.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_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/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_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/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_4db1894c-ba65-40f6-a313-8a40fe7eed80/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 72289b7b84ec29dc48aff6fa2f8d521998f594af518139867a01f104107e1865 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:39,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:39,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:40,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:40,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:40,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:40,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:40,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:40,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:40,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:40,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:40,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:40,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:40,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:40,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:40,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:40,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:40,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:40,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:40,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:40,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:40,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:40,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:40,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:40,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:40,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:40,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:40,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:40,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:40,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:40,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:40,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:40,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:40,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:40,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:40,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:40,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:40,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:40,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:40,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:40,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:40,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:01:40,120 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:40,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:40,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:40,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:40,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:40,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:40,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:40,123 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:40,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:40,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:40,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:40,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:40,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:40,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:40,125 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:40,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:40,126 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:40,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:40,126 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:40,127 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:40,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:40,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:40,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:40,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:40,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:40,128 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:40,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:40,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:40,129 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_4db1894c-ba65-40f6-a313-8a40fe7eed80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72289b7b84ec29dc48aff6fa2f8d521998f594af518139867a01f104107e1865 [2021-11-23 15:01:40,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:40,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:40,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:40,475 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:40,476 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:40,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2021-11-23 15:01:40,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/data/22ea788a5/d546fc2b96a042eab10fb93ab4c46187/FLAG536160a2c [2021-11-23 15:01:41,040 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:41,042 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2021-11-23 15:01:41,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/data/22ea788a5/d546fc2b96a042eab10fb93ab4c46187/FLAG536160a2c [2021-11-23 15:01:41,352 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/data/22ea788a5/d546fc2b96a042eab10fb93ab4c46187 [2021-11-23 15:01:41,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:41,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:41,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:41,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:41,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:41,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3130117f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41, skipping insertion in model container [2021-11-23 15:01:41,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:41,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:41,574 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:01:41,755 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_4db1894c-ba65-40f6-a313-8a40fe7eed80/sv-benchmarks/c/pthread-ext/18_read_write_lock.i[31161,31174] [2021-11-23 15:01:41,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:41,776 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:41,792 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:01:41,830 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_4db1894c-ba65-40f6-a313-8a40fe7eed80/sv-benchmarks/c/pthread-ext/18_read_write_lock.i[31161,31174] [2021-11-23 15:01:41,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:41,872 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:41,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41 WrapperNode [2021-11-23 15:01:41,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:41,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:41,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:41,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:41,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,919 INFO L137 Inliner]: procedures = 174, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2021-11-23 15:01:41,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:41,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:41,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:41,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:41,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:41,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:41,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:41,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:41,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:41,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:42,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:42,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 15:01:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 15:01:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:01:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:01:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:01:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:01:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:01:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:01:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:01:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:01:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:42,049 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 15:01:42,150 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:42,152 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:42,330 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:42,346 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 15:01:42,357 INFO L158 Benchmark]: Toolchain (without parser) took 997.82ms. Allocated memory was 90.2MB in the beginning and 127.9MB in the end (delta: 37.7MB). Free memory was 50.9MB in the beginning and 81.4MB in the end (delta: -30.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-23 15:01:42,358 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 90.2MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:42,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.43ms. Allocated memory was 90.2MB in the beginning and 127.9MB in the end (delta: 37.7MB). Free memory was 50.7MB in the beginning and 96.8MB in the end (delta: -46.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-11-23 15:01:42,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.18ms. Allocated memory is still 127.9MB. Free memory was 96.1MB in the beginning and 94.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:42,360 INFO L158 Benchmark]: Boogie Preprocessor took 25.74ms. Allocated memory is still 127.9MB. Free memory was 94.8MB in the beginning and 93.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:42,361 INFO L158 Benchmark]: RCFGBuilder took 407.21ms. Allocated memory is still 127.9MB. Free memory was 93.4MB in the beginning and 81.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:01:42,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 90.2MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.43ms. Allocated memory was 90.2MB in the beginning and 127.9MB in the end (delta: 37.7MB). Free memory was 50.7MB in the beginning and 96.8MB in the end (delta: -46.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.18ms. Allocated memory is still 127.9MB. Free memory was 96.1MB in the beginning and 94.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.74ms. Allocated memory is still 127.9MB. Free memory was 94.8MB in the beginning and 93.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 407.21ms. Allocated memory is still 127.9MB. Free memory was 93.4MB in the beginning and 81.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. 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 15:01:42,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/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_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/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_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/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_4db1894c-ba65-40f6-a313-8a40fe7eed80/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 72289b7b84ec29dc48aff6fa2f8d521998f594af518139867a01f104107e1865 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:44,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:44,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:44,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:44,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:44,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:44,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:44,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:44,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:44,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:44,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:44,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:44,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:44,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:44,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:44,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:44,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:44,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:44,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:44,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:44,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:44,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:44,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:45,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:45,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:45,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:45,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:45,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:45,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:45,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:45,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:45,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:45,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:45,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:45,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:45,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:45,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:45,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:45,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:45,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:45,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:45,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:01:45,069 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:45,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:45,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:45,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:45,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:45,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:45,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:45,073 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:45,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:45,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:45,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:45,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:45,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:45,075 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:01:45,075 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:01:45,076 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:01:45,076 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:45,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:45,076 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:45,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:45,077 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:45,077 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:45,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:45,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:45,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:45,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:45,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:45,078 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:01:45,079 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:01:45,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:45,079 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:01:45,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:01:45,080 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_4db1894c-ba65-40f6-a313-8a40fe7eed80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72289b7b84ec29dc48aff6fa2f8d521998f594af518139867a01f104107e1865 [2021-11-23 15:01:45,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:45,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:45,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:45,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:45,521 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:45,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2021-11-23 15:01:45,586 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/data/8cf2d56d8/aadf28b776f64d2a843dfd92601275f6/FLAGb5a6d5011 [2021-11-23 15:01:46,112 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:46,112 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2021-11-23 15:01:46,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/data/8cf2d56d8/aadf28b776f64d2a843dfd92601275f6/FLAGb5a6d5011 [2021-11-23 15:01:46,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/data/8cf2d56d8/aadf28b776f64d2a843dfd92601275f6 [2021-11-23 15:01:46,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:46,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:46,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:46,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:46,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:46,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:46" (1/1) ... [2021-11-23 15:01:46,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@517b45b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:46, skipping insertion in model container [2021-11-23 15:01:46,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:46" (1/1) ... [2021-11-23 15:01:46,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:46,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:46,705 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:01:46,920 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_4db1894c-ba65-40f6-a313-8a40fe7eed80/sv-benchmarks/c/pthread-ext/18_read_write_lock.i[31161,31174] [2021-11-23 15:01:46,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:46,948 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:46,963 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:01:46,983 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_4db1894c-ba65-40f6-a313-8a40fe7eed80/sv-benchmarks/c/pthread-ext/18_read_write_lock.i[31161,31174] [2021-11-23 15:01:46,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:47,030 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:47,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47 WrapperNode [2021-11-23 15:01:47,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:47,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:47,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:47,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:47,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,079 INFO L137 Inliner]: procedures = 177, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2021-11-23 15:01:47,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:47,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:47,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:47,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:47,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:47,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:47,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:47,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:47,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:47,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:47,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:47,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 15:01:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 15:01:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:01:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:01:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:01:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:01:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:01:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:01:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:01:47,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:01:47,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:47,208 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 15:01:47,414 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:47,415 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:47,631 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:47,662 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 15:01:47,671 INFO L158 Benchmark]: Toolchain (without parser) took 1237.42ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 46.5MB in the beginning and 65.1MB in the end (delta: -18.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 15:01:47,671 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:47,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.11ms. Allocated memory is still 67.1MB. Free memory was 46.4MB in the beginning and 40.3MB in the end (delta: 6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:01:47,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.42ms. Allocated memory is still 67.1MB. Free memory was 40.1MB in the beginning and 38.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:47,675 INFO L158 Benchmark]: Boogie Preprocessor took 29.07ms. Allocated memory is still 67.1MB. Free memory was 38.1MB in the beginning and 36.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:47,676 INFO L158 Benchmark]: RCFGBuilder took 556.57ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 36.6MB in the beginning and 65.1MB in the end (delta: -28.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:47,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.11ms. Allocated memory is still 67.1MB. Free memory was 46.4MB in the beginning and 40.3MB in the end (delta: 6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.42ms. Allocated memory is still 67.1MB. Free memory was 40.1MB in the beginning and 38.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.07ms. Allocated memory is still 67.1MB. Free memory was 38.1MB in the beginning and 36.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.57ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 36.6MB in the beginning and 65.1MB in the end (delta: -28.5MB). Peak memory consumption was 8.2MB. 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 15:01:47,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db1894c-ba65-40f6-a313-8a40fe7eed80/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