./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_41-pt_rwlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_41-pt_rwlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fef1217f8a35a342f6e4927c3581e159c4208b83ce3f67c4227091859235df56 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:52:45,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:52:45,546 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 06:52:45,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:52:45,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:52:45,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:52:45,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:52:45,634 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:52:45,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:52:45,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:52:45,638 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:52:45,639 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:52:45,640 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:52:45,641 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:52:45,641 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:52:45,644 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:52:45,644 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:52:45,645 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:52:45,645 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:52:45,658 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:52:45,658 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:52:45,659 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:52:45,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:52:45,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:52:45,660 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:52:45,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:52:45,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:52:45,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:52:45,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:52:45,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:52:45,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:52:45,663 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:52:45,664 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:52:45,664 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:52:45,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:52:45,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:52:45,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:52:45,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:52:45,666 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:52:45,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:52:45,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:52:45,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:52:45,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:52:45,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:52:45,669 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:52:45,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:52:45,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:52:45,670 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:52:45,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:52:45,670 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fef1217f8a35a342f6e4927c3581e159c4208b83ce3f67c4227091859235df56 [2024-11-09 06:52:46,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:52:46,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:52:46,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:52:46,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:52:46,118 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:52:46,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/goblint-regression/04-mutex_41-pt_rwlock.i Unable to find full path for "g++" [2024-11-09 06:52:48,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:52:48,953 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:52:48,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/sv-benchmarks/c/goblint-regression/04-mutex_41-pt_rwlock.i [2024-11-09 06:52:48,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/data/6c0b04d88/124c0a78cce443f59ed3ff9f86c7eeb9/FLAG036a54216 [2024-11-09 06:52:49,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/data/6c0b04d88/124c0a78cce443f59ed3ff9f86c7eeb9 [2024-11-09 06:52:49,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:52:49,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:52:49,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:52:49,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:52:49,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:52:49,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:52:49" (1/1) ... [2024-11-09 06:52:49,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f585626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:49, skipping insertion in model container [2024-11-09 06:52:49,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:52:49" (1/1) ... [2024-11-09 06:52:49,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:52:50,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:52:50,056 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:52:50,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:52:50,234 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:52:50,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:50 WrapperNode [2024-11-09 06:52:50,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:52:50,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:52:50,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:52:50,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:52:50,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:50" (1/1) ... [2024-11-09 06:52:50,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:50" (1/1) ... [2024-11-09 06:52:50,291 INFO L138 Inliner]: procedures = 263, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-09 06:52:50,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:52:50,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:52:50,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:52:50,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:52:50,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:50" (1/1) ... [2024-11-09 06:52:50,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:50" (1/1) ... [2024-11-09 06:52:50,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:50" (1/1) ... [2024-11-09 06:52:50,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:50" (1/1) ... [2024-11-09 06:52:50,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:50" (1/1) ... [2024-11-09 06:52:50,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:50" (1/1) ... [2024-11-09 06:52:50,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:50" (1/1) ... [2024-11-09 06:52:50,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:50" (1/1) ... [2024-11-09 06:52:50,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:52:50,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:52:50,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:52:50,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:52:50,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:50" (1/1) ... [2024-11-09 06:52:50,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:52:50,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:52:50,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:52:50,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:52:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-11-09 06:52:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-11-09 06:52:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-11-09 06:52:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:52:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 06:52:50,453 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 06:52:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:52:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:52:50,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:52:50,460 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:52:50,655 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:52:50,657 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:52:50,842 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:52:50,843 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:52:51,046 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:52:51,046 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:52:51,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:52:51 BoogieIcfgContainer [2024-11-09 06:52:51,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:52:51,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:52:51,050 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:52:51,054 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:52:51,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:52:49" (1/3) ... [2024-11-09 06:52:51,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e33a713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:52:51, skipping insertion in model container [2024-11-09 06:52:51,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:50" (2/3) ... [2024-11-09 06:52:51,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e33a713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:52:51, skipping insertion in model container [2024-11-09 06:52:51,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:52:51" (3/3) ... [2024-11-09 06:52:51,058 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_41-pt_rwlock.i [2024-11-09 06:52:51,082 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:52:51,082 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 06:52:51,082 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:52:51,136 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 06:52:51,184 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 23 transitions, 53 flow [2024-11-09 06:52:51,227 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 93 states, 85 states have (on average 1.9294117647058824) internal successors, (164), 92 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:51,260 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:52:51,269 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@24e7fd4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:52:51,269 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-09 06:52:51,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 85 states have (on average 1.9294117647058824) internal successors, (164), 92 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 06:52:51,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:52:51,281 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 06:52:51,282 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:52:51,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:51,289 INFO L85 PathProgramCache]: Analyzing trace with hash 569772945, now seen corresponding path program 1 times [2024-11-09 06:52:51,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:52:51,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353471018] [2024-11-09 06:52:51,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:51,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:51,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:52:51,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353471018] [2024-11-09 06:52:51,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353471018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:51,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:51,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:52:51,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017044715] [2024-11-09 06:52:51,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:51,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:52:51,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:52:51,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:52:51,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:52:51,852 INFO L87 Difference]: Start difference. First operand has 93 states, 85 states have (on average 1.9294117647058824) internal successors, (164), 92 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:51,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:52:51,961 INFO L93 Difference]: Finished difference Result 93 states and 164 transitions. [2024-11-09 06:52:51,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:52:51,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 06:52:51,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:52:51,978 INFO L225 Difference]: With dead ends: 93 [2024-11-09 06:52:51,978 INFO L226 Difference]: Without dead ends: 58 [2024-11-09 06:52:51,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:52:51,992 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 21 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:52:51,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 17 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:52:52,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-09 06:52:52,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-09 06:52:52,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 56 states have (on average 1.7678571428571428) internal successors, (99), 57 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:52,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 99 transitions. [2024-11-09 06:52:52,050 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 99 transitions. Word has length 6 [2024-11-09 06:52:52,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:52:52,050 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 99 transitions. [2024-11-09 06:52:52,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:52,051 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 99 transitions. [2024-11-09 06:52:52,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 06:52:52,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:52:52,052 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 06:52:52,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:52:52,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:52:52,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:52,054 INFO L85 PathProgramCache]: Analyzing trace with hash 569289085, now seen corresponding path program 1 times [2024-11-09 06:52:52,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:52:52,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782090944] [2024-11-09 06:52:52,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:52,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:52,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:52,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:52:52,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782090944] [2024-11-09 06:52:52,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782090944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:52,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:52,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:52:52,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967993912] [2024-11-09 06:52:52,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:52,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:52:52,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:52:52,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:52:52,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:52:52,231 INFO L87 Difference]: Start difference. First operand 58 states and 99 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:52,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:52:52,295 INFO L93 Difference]: Finished difference Result 58 states and 99 transitions. [2024-11-09 06:52:52,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:52:52,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 06:52:52,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:52:52,297 INFO L225 Difference]: With dead ends: 58 [2024-11-09 06:52:52,297 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 06:52:52,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:52:52,301 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:52:52,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 6 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:52:52,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 06:52:52,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 06:52:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:52,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 06:52:52,307 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2024-11-09 06:52:52,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:52:52,307 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 06:52:52,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:52:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 06:52:52,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 06:52:52,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2024-11-09 06:52:52,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2024-11-09 06:52:52,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-09 06:52:52,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2024-11-09 06:52:52,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2024-11-09 06:52:52,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2024-11-09 06:52:52,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2024-11-09 06:52:52,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:52:52,322 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 06:52:52,329 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 06:52:52,329 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:52:52,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:52:52 BasicIcfg [2024-11-09 06:52:52,334 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:52:52,334 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:52:52,335 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:52:52,337 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:52:52,338 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:52:51" (3/4) ... [2024-11-09 06:52:52,341 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:52:52,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-09 06:52:52,354 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-09 06:52:52,355 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 06:52:52,356 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 06:52:52,467 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 06:52:52,468 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 06:52:52,468 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:52:52,470 INFO L158 Benchmark]: Toolchain (without parser) took 3286.12ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 63.0MB in the beginning and 71.6MB in the end (delta: -8.6MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2024-11-09 06:52:52,470 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 127.9MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:52:52,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1049.34ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 62.8MB in the beginning and 113.9MB in the end (delta: -51.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-09 06:52:52,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.77ms. Allocated memory is still 172.0MB. Free memory was 113.9MB in the beginning and 111.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:52:52,474 INFO L158 Benchmark]: Boogie Preprocessor took 34.98ms. Allocated memory is still 172.0MB. Free memory was 111.8MB in the beginning and 110.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:52:52,474 INFO L158 Benchmark]: RCFGBuilder took 719.34ms. Allocated memory is still 172.0MB. Free memory was 110.5MB in the beginning and 120.9MB in the end (delta: -10.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:52:52,474 INFO L158 Benchmark]: TraceAbstraction took 1284.08ms. Allocated memory is still 172.0MB. Free memory was 119.8MB in the beginning and 75.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-09 06:52:52,475 INFO L158 Benchmark]: Witness Printer took 134.30ms. Allocated memory is still 172.0MB. Free memory was 75.8MB in the beginning and 71.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:52:52,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 127.9MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1049.34ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 62.8MB in the beginning and 113.9MB in the end (delta: -51.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.77ms. Allocated memory is still 172.0MB. Free memory was 113.9MB in the beginning and 111.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.98ms. Allocated memory is still 172.0MB. Free memory was 111.8MB in the beginning and 110.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 719.34ms. Allocated memory is still 172.0MB. Free memory was 110.5MB in the beginning and 120.9MB in the end (delta: -10.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1284.08ms. Allocated memory is still 172.0MB. Free memory was 119.8MB in the beginning and 75.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 134.30ms. Allocated memory is still 172.0MB. Free memory was 75.8MB in the beginning and 71.6MB 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 932]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 932]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 922]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 922]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 35 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 06:52:52,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cd64-3339-4335-8503-9b62c8992e8f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE