./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --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 04a1d4ff1109dce80fd92bb8b947109ce8379b8f1a452f4ba67af1891a651644 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:43,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:43,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:09:43,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:09:43,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:09:43,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:43,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:43,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:43,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:44,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:44,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:44,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:44,008 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:09:44,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:09:44,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:09:44,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:44,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:44,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:44,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:44,014 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:44,014 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:44,015 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:09:44,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:44,016 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:44,017 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:44,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:44,018 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:44,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:44,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:44,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:44,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:44,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:44,023 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:09:44,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:09:44,023 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:44,024 INFO L153 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_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04a1d4ff1109dce80fd92bb8b947109ce8379b8f1a452f4ba67af1891a651644 [2023-11-23 20:09:44,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:44,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:44,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:44,447 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:44,449 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:44,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.i [2023-11-23 20:09:47,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:48,075 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:48,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.i [2023-11-23 20:09:48,103 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/data/54fde2790/e85133fa34844ca29c3fe00a1808d53e/FLAGd893d951b [2023-11-23 20:09:48,127 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/data/54fde2790/e85133fa34844ca29c3fe00a1808d53e [2023-11-23 20:09:48,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:48,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:48,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:48,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:48,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:48,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:48" (1/1) ... [2023-11-23 20:09:48,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771a9d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:48, skipping insertion in model container [2023-11-23 20:09:48,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:48" (1/1) ... [2023-11-23 20:09:48,207 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:48,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:48,710 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:48,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:48,805 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:48,805 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:48,814 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:48,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:48 WrapperNode [2023-11-23 20:09:48,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:48,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:48,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:48,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:48,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:48" (1/1) ... [2023-11-23 20:09:48,844 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:48" (1/1) ... [2023-11-23 20:09:48,870 INFO L138 Inliner]: procedures = 166, calls = 55, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 109 [2023-11-23 20:09:48,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:48,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:48,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:48,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:48,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:48" (1/1) ... [2023-11-23 20:09:48,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:48" (1/1) ... [2023-11-23 20:09:48,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:48" (1/1) ... [2023-11-23 20:09:48,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:48" (1/1) ... [2023-11-23 20:09:48,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:48" (1/1) ... [2023-11-23 20:09:48,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:48" (1/1) ... [2023-11-23 20:09:48,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:48" (1/1) ... [2023-11-23 20:09:48,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:48" (1/1) ... [2023-11-23 20:09:48,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:48,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:48,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:48,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:48,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:48" (1/1) ... [2023-11-23 20:09:48,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:48,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:48,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:48,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2023-11-23 20:09:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:09:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:09:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2023-11-23 20:09:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:09:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:09:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-11-23 20:09:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-11-23 20:09:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:09:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2023-11-23 20:09:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:09:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:09:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:09:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-11-23 20:09:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-11-23 20:09:49,034 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:09:49,264 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:49,267 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:49,550 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:09:49,590 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:09:49,591 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:09:49,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:49 BoogieIcfgContainer [2023-11-23 20:09:49,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:09:49,594 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:09:49,595 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:09:49,611 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:09:49,612 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:49" (1/1) ... [2023-11-23 20:09:49,613 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-23 20:09:49,618 INFO L158 Benchmark]: Toolchain (without parser) took 1485.29ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 89.1MB in the beginning and 127.3MB in the end (delta: -38.2MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-11-23 20:09:49,619 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:49,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.32ms. Allocated memory is still 130.0MB. Free memory was 88.7MB in the beginning and 68.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:09:49,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.39ms. Allocated memory is still 130.0MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:09:49,621 INFO L158 Benchmark]: Boogie Preprocessor took 40.02ms. Allocated memory is still 130.0MB. Free memory was 66.7MB in the beginning and 65.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:09:49,622 INFO L158 Benchmark]: RCFGBuilder took 681.25ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 65.0MB in the beginning and 128.4MB in the end (delta: -63.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-11-23 20:09:49,623 INFO L158 Benchmark]: CodeCheck took 21.54ms. Allocated memory is still 169.9MB. Free memory was 128.4MB in the beginning and 127.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:49,626 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.32ms. Allocated memory is still 130.0MB. Free memory was 88.7MB in the beginning and 68.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.39ms. Allocated memory is still 130.0MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.02ms. Allocated memory is still 130.0MB. Free memory was 66.7MB in the beginning and 65.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.25ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 65.0MB in the beginning and 128.4MB in the end (delta: -63.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * CodeCheck took 21.54ms. Allocated memory is still 169.9MB. Free memory was 128.4MB in the beginning and 127.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:09:49,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/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_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --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 04a1d4ff1109dce80fd92bb8b947109ce8379b8f1a452f4ba67af1891a651644 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:52,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:52,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:09:52,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:52,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:52,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:52,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:52,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:52,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:52,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:52,574 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:09:52,575 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:09:52,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:52,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:52,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:52,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:52,579 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:09:52,579 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:09:52,579 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:52,581 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:09:52,581 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:52,582 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:09:52,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:52,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:52,583 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:52,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:52,584 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:52,584 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:52,585 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:09:52,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:52,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:52,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:52,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:52,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:52,588 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:09:52,588 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:52,589 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:52,589 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:09:52,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:09:52,590 INFO L153 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_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04a1d4ff1109dce80fd92bb8b947109ce8379b8f1a452f4ba67af1891a651644 [2023-11-23 20:09:52,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:53,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:53,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:53,008 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:53,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:53,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.i [2023-11-23 20:09:56,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:56,387 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:56,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.i [2023-11-23 20:09:56,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/data/42867abd2/a7243fd08bd54d9bbe01c6b26fa23169/FLAG04934f58c [2023-11-23 20:09:56,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/data/42867abd2/a7243fd08bd54d9bbe01c6b26fa23169 [2023-11-23 20:09:56,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:56,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:56,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:56,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:56,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:56,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b32dceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56, skipping insertion in model container [2023-11-23 20:09:56,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:57,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:57,044 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:57,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:57,170 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:57,171 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:57,178 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:57,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:57 WrapperNode [2023-11-23 20:09:57,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:57,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:57,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:57,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:57,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:57" (1/1) ... [2023-11-23 20:09:57,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:57" (1/1) ... [2023-11-23 20:09:57,259 INFO L138 Inliner]: procedures = 170, calls = 55, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-23 20:09:57,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:57,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:57,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:57,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:57,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:57" (1/1) ... [2023-11-23 20:09:57,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:57" (1/1) ... [2023-11-23 20:09:57,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:57" (1/1) ... [2023-11-23 20:09:57,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:57" (1/1) ... [2023-11-23 20:09:57,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:57" (1/1) ... [2023-11-23 20:09:57,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:57" (1/1) ... [2023-11-23 20:09:57,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:57" (1/1) ... [2023-11-23 20:09:57,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:57" (1/1) ... [2023-11-23 20:09:57,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:57,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:57,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:57,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:57,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:57" (1/1) ... [2023-11-23 20:09:57,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:57,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:57,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:57,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2023-11-23 20:09:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:09:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2023-11-23 20:09:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:09:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:09:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-11-23 20:09:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-11-23 20:09:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:09:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2023-11-23 20:09:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:09:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:09:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:09:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:09:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:09:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-11-23 20:09:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-11-23 20:09:57,400 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:09:57,605 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:57,608 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:57,920 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:09:57,948 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:09:57,948 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:09:57,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:57 BoogieIcfgContainer [2023-11-23 20:09:57,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:09:57,951 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:09:57,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:09:57,963 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:09:57,963 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:57" (1/1) ... [2023-11-23 20:09:57,964 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-23 20:09:57,969 INFO L158 Benchmark]: Toolchain (without parser) took 1539.68ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 43.9MB in the beginning and 55.9MB in the end (delta: -11.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-23 20:09:57,969 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:57,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.92ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 43.8MB in the beginning and 54.5MB in the end (delta: -10.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-23 20:09:57,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.06ms. Allocated memory is still 86.0MB. Free memory was 54.5MB in the beginning and 52.2MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:09:57,972 INFO L158 Benchmark]: Boogie Preprocessor took 40.17ms. Allocated memory is still 86.0MB. Free memory was 52.2MB in the beginning and 50.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:09:57,973 INFO L158 Benchmark]: RCFGBuilder took 649.62ms. Allocated memory is still 86.0MB. Free memory was 50.1MB in the beginning and 57.2MB in the end (delta: -7.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-23 20:09:57,973 INFO L158 Benchmark]: CodeCheck took 15.53ms. Allocated memory is still 86.0MB. Free memory was 56.8MB in the beginning and 55.9MB in the end (delta: 922.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:57,977 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 749.92ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 43.8MB in the beginning and 54.5MB in the end (delta: -10.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.06ms. Allocated memory is still 86.0MB. Free memory was 54.5MB in the beginning and 52.2MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.17ms. Allocated memory is still 86.0MB. Free memory was 52.2MB in the beginning and 50.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 649.62ms. Allocated memory is still 86.0MB. Free memory was 50.1MB in the beginning and 57.2MB in the end (delta: -7.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * CodeCheck took 15.53ms. Allocated memory is still 86.0MB. Free memory was 56.8MB in the beginning and 55.9MB in the end (delta: 922.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:09:58,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c4912c7-b0d4-44ff-ba85-d99b625532bd/bin/ukojak-verify-1t5iHCbJaC/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: Concurrent programs are currently unsupported