./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 0e0057cc 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_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya --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 04a1d4ff1109dce80fd92bb8b947109ce8379b8f1a452f4ba67af1891a651644 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:29:19,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:29:19,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 05:29:19,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:29:19,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:29:19,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:29:19,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:29:19,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:29:19,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:29:19,778 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:29:19,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:29:19,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:29:19,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:29:19,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:29:19,781 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:29:19,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:29:19,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:29:19,783 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:29:19,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:29:19,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:29:19,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:29:19,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:29:19,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:29:19,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:29:19,787 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 05:29:19,787 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:29:19,787 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:29:19,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:29:19,788 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:29:19,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:29:19,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:29:19,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:29:19,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:29:19,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:29:19,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:29:19,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:29:19,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:29:19,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:29:19,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:29:19,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:29:19,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:29:19,792 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:29:19,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:29:19,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:29:19,792 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_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04a1d4ff1109dce80fd92bb8b947109ce8379b8f1a452f4ba67af1891a651644 [2023-11-29 05:29:20,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:29:20,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:29:20,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:29:20,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:29:20,030 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:29:20,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.i [2023-11-29 05:29:22,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:29:23,020 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:29:23,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/sv-benchmarks/c/pthread-atomic/read_write_lock-1-pthread.i [2023-11-29 05:29:23,035 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/data/f668b2b9d/0892518eec0e486a858869593261ddc5/FLAGd7da9d480 [2023-11-29 05:29:23,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/data/f668b2b9d/0892518eec0e486a858869593261ddc5 [2023-11-29 05:29:23,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:29:23,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:29:23,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:29:23,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:29:23,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:29:23,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4221dab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23, skipping insertion in model container [2023-11-29 05:29:23,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,111 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:29:23,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:29:23,398 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:29:23,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:29:23,464 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:29:23,464 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:29:23,470 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:29:23,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23 WrapperNode [2023-11-29 05:29:23,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:29:23,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:29:23,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:29:23,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:29:23,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,516 INFO L138 Inliner]: procedures = 166, calls = 55, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 109 [2023-11-29 05:29:23,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:29:23,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:29:23,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:29:23,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:29:23,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,531 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,547 INFO L175 MemorySlicer]: Split 21 memory accesses to 6 slices as follows [2, 2, 11, 2, 2, 2]. 52 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 11, 0, 0, 0]. The 4 writes are split as follows [0, 1, 0, 1, 1, 1]. [2023-11-29 05:29:23,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:29:23,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:29:23,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:29:23,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:29:23,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23" (1/1) ... [2023-11-29 05:29:23,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:29:23,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:29:23,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:29:23,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:29:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2023-11-29 05:29:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:29:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:29:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 05:29:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 05:29:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 05:29:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 05:29:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:29:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:29:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 05:29:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 05:29:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 05:29:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 05:29:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2023-11-29 05:29:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 05:29:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:29:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-11-29 05:29:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-11-29 05:29:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:29:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2023-11-29 05:29:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:29:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:29:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:29:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 05:29:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 05:29:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 05:29:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 05:29:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 05:29:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:29:23,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:29:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-11-29 05:29:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-11-29 05:29:23,634 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 05:29:23,776 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:29:23,779 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:29:23,959 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:29:24,120 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:29:24,120 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 05:29:24,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:29:24 BoogieIcfgContainer [2023-11-29 05:29:24,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:29:24,124 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:29:24,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:29:24,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:29:24,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:29:23" (1/3) ... [2023-11-29 05:29:24,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4b0838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:29:24, skipping insertion in model container [2023-11-29 05:29:24,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:29:23" (2/3) ... [2023-11-29 05:29:24,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4b0838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:29:24, skipping insertion in model container [2023-11-29 05:29:24,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:29:24" (3/3) ... [2023-11-29 05:29:24,130 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1-pthread.i [2023-11-29 05:29:24,139 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 05:29:24,150 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:29:24,150 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-29 05:29:24,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4b0838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:29:24, skipping insertion in model container [2023-11-29 05:29:24,152 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:29:24,153 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:29:24,153 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:29:24,153 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:29:24,153 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:29:24" (3/3) ... [2023-11-29 05:29:24,156 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:29:24,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2023-11-29 05:29:24,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2023-11-29 05:29:24,165 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2023-11-29 05:29:24,165 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-29 05:29:24,166 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 05:29:24,166 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 05:29:24,255 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:29:24,256 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:29:24,256 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:29:24,258 INFO L158 Benchmark]: Toolchain (without parser) took 1204.41ms. Allocated memory is still 201.3MB. Free memory was 160.5MB in the beginning and 92.8MB in the end (delta: 67.7MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2023-11-29 05:29:24,258 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 175.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:29:24,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.81ms. Allocated memory is still 201.3MB. Free memory was 160.5MB in the beginning and 140.3MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 05:29:24,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.98ms. Allocated memory is still 201.3MB. Free memory was 140.3MB in the beginning and 138.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:29:24,260 INFO L158 Benchmark]: Boogie Preprocessor took 46.79ms. Allocated memory is still 201.3MB. Free memory was 138.2MB in the beginning and 136.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:29:24,261 INFO L158 Benchmark]: RCFGBuilder took 556.50ms. Allocated memory is still 201.3MB. Free memory was 136.1MB in the beginning and 100.4MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-29 05:29:24,261 INFO L158 Benchmark]: TraceAbstraction took 27.80ms. Allocated memory is still 201.3MB. Free memory was 99.7MB in the beginning and 97.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:29:24,262 INFO L158 Benchmark]: Witness Printer took 103.61ms. Allocated memory is still 201.3MB. Free memory was 97.4MB in the beginning and 92.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:29:24,265 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 175.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.81ms. Allocated memory is still 201.3MB. Free memory was 160.5MB in the beginning and 140.3MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.98ms. Allocated memory is still 201.3MB. Free memory was 140.3MB in the beginning and 138.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.79ms. Allocated memory is still 201.3MB. Free memory was 138.2MB in the beginning and 136.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.50ms. Allocated memory is still 201.3MB. Free memory was 136.1MB in the beginning and 100.4MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 27.80ms. Allocated memory is still 201.3MB. Free memory was 99.7MB in the beginning and 97.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 103.61ms. Allocated memory is still 201.3MB. Free memory was 97.4MB in the beginning and 92.8MB in the end (delta: 4.6MB). 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! [2023-11-29 05:29:24,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f152417-59de-4b2f-afa3-4f23c026a342/bin/uautomizer-verify-BQ2R08f2Ya/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