./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:40,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:40,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:16:40,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:40,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:40,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:40,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:40,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:40,550 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:16:40,550 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:16:40,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:40,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:40,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:40,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:40,552 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:40,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:40,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:40,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:16:40,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:16:40,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:16:40,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:40,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:40,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:40,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:40,564 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:40,564 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:16:40,565 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:16:40,565 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:16:40,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:40,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:40,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:40,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:40,566 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:16:40,566 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:40,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:40,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:40,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:40,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:40,570 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:16:40,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:16:40,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:40,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:40,571 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:40,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:40,572 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 [2024-10-31 22:16:40,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:40,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:40,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:40,911 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:40,912 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:40,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i Unable to find full path for "g++" [2024-10-31 22:16:42,949 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:43,242 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:43,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-10-31 22:16:43,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/data/4769bea1d/f203378a41aa4b538544929ade5a00a7/FLAG9b96857b4 [2024-10-31 22:16:43,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/data/4769bea1d/f203378a41aa4b538544929ade5a00a7 [2024-10-31 22:16:43,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:43,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:43,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:43,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:43,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:43,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:43,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9eb6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43, skipping insertion in model container [2024-10-31 22:16:43,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:43,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:43,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:43,853 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:43,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:43,942 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:43,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43 WrapperNode [2024-10-31 22:16:43,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:43,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:43,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:43,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:43,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:43,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:43,990 INFO L138 Inliner]: procedures = 163, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-10-31 22:16:43,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:43,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:43,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:43,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:44,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:44,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:44,005 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:44,031 INFO L175 MemorySlicer]: Split 13 memory accesses to 2 slices as follows [2, 11]. 85 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 11]. The 0 writes are split as follows [0, 0]. [2024-10-31 22:16:44,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:44,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:44,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:44,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:44,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:44,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:44,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:44,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:44,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:44,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:44,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43" (1/1) ... [2024-10-31 22:16:44,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:44,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:44,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:44,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-10-31 22:16:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-10-31 22:16:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:44,118 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-10-31 22:16:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-10-31 22:16:44,118 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-10-31 22:16:44,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:16:44,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:16:44,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-10-31 22:16:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-10-31 22:16:44,121 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:16:44,263 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:44,265 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:16:44,442 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:16:44,442 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:16:44,688 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:16:44,688 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:16:44,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:44 BoogieIcfgContainer [2024-10-31 22:16:44,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:16:44,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:16:44,691 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:16:44,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:16:44,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:43" (1/3) ... [2024-10-31 22:16:44,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6077d611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:44, skipping insertion in model container [2024-10-31 22:16:44,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:43" (2/3) ... [2024-10-31 22:16:44,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6077d611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:44, skipping insertion in model container [2024-10-31 22:16:44,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:44" (3/3) ... [2024-10-31 22:16:44,699 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2024-10-31 22:16:44,721 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:16:44,721 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-10-31 22:16:44,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6077d611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:16:44, skipping insertion in model container [2024-10-31 22:16:44,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:16:44,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:16:44,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:16:44,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:16:44,725 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:44" (3/3) ... [2024-10-31 22:16:44,728 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:16:44,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2024-10-31 22:16:44,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2024-10-31 22:16:44,737 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2024-10-31 22:16:44,738 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-31 22:16:44,738 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 22:16:44,738 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:16:44,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:16:44,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:16:44,855 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:16:44,857 INFO L158 Benchmark]: Toolchain (without parser) took 1561.55ms. Allocated memory is still 136.3MB. Free memory was 94.1MB in the beginning and 91.8MB in the end (delta: 2.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-10-31 22:16:44,857 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 136.3MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:44,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.59ms. Allocated memory is still 136.3MB. Free memory was 94.1MB in the beginning and 72.4MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:44,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.06ms. Allocated memory is still 136.3MB. Free memory was 72.4MB in the beginning and 70.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:44,859 INFO L158 Benchmark]: Boogie Preprocessor took 64.28ms. Allocated memory is still 136.3MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:44,859 INFO L158 Benchmark]: RCFGBuilder took 632.75ms. Allocated memory is still 136.3MB. Free memory was 67.9MB in the beginning and 98.9MB in the end (delta: -31.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-10-31 22:16:44,861 INFO L158 Benchmark]: TraceAbstraction took 31.73ms. Allocated memory is still 136.3MB. Free memory was 98.1MB in the beginning and 96.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:44,862 INFO L158 Benchmark]: Witness Printer took 131.65ms. Allocated memory is still 136.3MB. Free memory was 96.0MB in the beginning and 91.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:16:44,865 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28ms. Allocated memory is still 136.3MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.59ms. Allocated memory is still 136.3MB. Free memory was 94.1MB in the beginning and 72.4MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.06ms. Allocated memory is still 136.3MB. Free memory was 72.4MB in the beginning and 70.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.28ms. Allocated memory is still 136.3MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 632.75ms. Allocated memory is still 136.3MB. Free memory was 67.9MB in the beginning and 98.9MB in the end (delta: -31.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * TraceAbstraction took 31.73ms. Allocated memory is still 136.3MB. Free memory was 98.1MB in the beginning and 96.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 131.65ms. Allocated memory is still 136.3MB. Free memory was 96.0MB in the beginning and 91.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2024-10-31 22:16:44,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eda6d47-0301-4032-bcd3-ca1d33d4e56f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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: TRUE