./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ --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 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:46:37,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:46:37,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 04:46:37,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:46:37,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:46:37,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:46:37,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:46:37,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:46:37,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:46:37,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:46:37,418 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:46:37,420 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:46:37,420 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:46:37,423 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:46:37,423 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:46:37,424 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:46:37,424 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:46:37,425 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:46:37,426 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:46:37,426 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:46:37,427 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:46:37,428 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:46:37,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:46:37,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:46:37,431 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:46:37,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:46:37,432 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:46:37,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:46:37,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:46:37,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:46:37,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:46:37,436 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:46:37,437 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:46:37,437 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:46:37,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:46:37,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:46:37,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:46:37,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:46:37,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:37,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:46:37,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:46:37,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:46:37,441 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:46:37,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:46:37,442 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:46:37,443 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:46:37,443 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:46:37,444 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_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2023-11-19 04:46:37,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:46:37,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:46:37,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:46:37,869 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:46:37,870 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:46:37,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-19 04:46:41,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:46:41,686 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:46:41,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-19 04:46:41,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/data/e64fedcd7/a7900cdce6c44bfd908045e6ba66ab1b/FLAG986193101 [2023-11-19 04:46:41,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/data/e64fedcd7/a7900cdce6c44bfd908045e6ba66ab1b [2023-11-19 04:46:41,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:46:41,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:46:41,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:41,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:46:41,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:46:41,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:41" (1/1) ... [2023-11-19 04:46:41,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f73589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:41, skipping insertion in model container [2023-11-19 04:46:41,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:41" (1/1) ... [2023-11-19 04:46:41,823 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:46:42,080 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:46:42,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:42,467 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:46:42,490 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:46:42,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:42,608 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:46:42,609 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:46:42,609 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:46:42,616 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:46:42,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42 WrapperNode [2023-11-19 04:46:42,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:42,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:46:42,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:46:42,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:46:42,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,669 INFO L138 Inliner]: procedures = 325, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-19 04:46:42,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:46:42,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:46:42,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:46:42,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:46:42,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:46:42,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:46:42,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:46:42,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:46:42,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (1/1) ... [2023-11-19 04:46:42,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:42,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:46:42,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:46:42,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:46:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:46:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:46:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:46:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:46:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:46:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-19 04:46:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-19 04:46:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:46:42,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:46:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:46:42,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:46:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:46:42,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:46:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:46:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:46:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:46:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:46:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:46:42,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:46:42,802 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:46:42,954 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:46:42,955 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:46:43,260 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:46:43,280 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:46:43,280 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:46:43,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:46:43 BoogieIcfgContainer [2023-11-19 04:46:43,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:46:43,292 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:46:43,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:46:43,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:46:43,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:46:41" (1/3) ... [2023-11-19 04:46:43,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64722477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:46:43, skipping insertion in model container [2023-11-19 04:46:43,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:42" (2/3) ... [2023-11-19 04:46:43,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64722477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:46:43, skipping insertion in model container [2023-11-19 04:46:43,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:46:43" (3/3) ... [2023-11-19 04:46:43,298 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2023-11-19 04:46:43,308 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 04:46:43,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:46:43,321 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-19 04:46:43,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64722477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:46:43, skipping insertion in model container [2023-11-19 04:46:43,322 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:46:43,323 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:46:43,323 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:46:43,323 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:46:43,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:46:43" (3/3) ... [2023-11-19 04:46:43,325 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:46:43,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2023-11-19 04:46:43,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 04:46:43,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 04:46:43,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-19 04:46:43,333 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 04:46:43,333 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:46:43,334 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:46:43,334 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:46:43,421 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:46:43,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:46:43,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:46:43,424 INFO L158 Benchmark]: Toolchain (without parser) took 1689.60ms. Allocated memory is still 195.0MB. Free memory was 154.2MB in the beginning and 154.3MB in the end (delta: -91.0kB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2023-11-19 04:46:43,424 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:46:43,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 881.71ms. Allocated memory is still 195.0MB. Free memory was 154.2MB in the beginning and 120.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 04:46:43,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.45ms. Allocated memory is still 195.0MB. Free memory was 120.6MB in the beginning and 118.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:46:43,426 INFO L158 Benchmark]: Boogie Preprocessor took 34.15ms. Allocated memory is still 195.0MB. Free memory was 118.0MB in the beginning and 116.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:46:43,426 INFO L158 Benchmark]: RCFGBuilder took 584.00ms. Allocated memory is still 195.0MB. Free memory was 116.5MB in the beginning and 161.5MB in the end (delta: -45.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-19 04:46:43,427 INFO L158 Benchmark]: TraceAbstraction took 30.36ms. Allocated memory is still 195.0MB. Free memory was 160.6MB in the beginning and 159.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:46:43,427 INFO L158 Benchmark]: Witness Printer took 99.00ms. Allocated memory is still 195.0MB. Free memory was 158.4MB in the beginning and 154.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:46:43,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 881.71ms. Allocated memory is still 195.0MB. Free memory was 154.2MB in the beginning and 120.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.45ms. Allocated memory is still 195.0MB. Free memory was 120.6MB in the beginning and 118.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.15ms. Allocated memory is still 195.0MB. Free memory was 118.0MB in the beginning and 116.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.00ms. Allocated memory is still 195.0MB. Free memory was 116.5MB in the beginning and 161.5MB in the end (delta: -45.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * TraceAbstraction took 30.36ms. Allocated memory is still 195.0MB. Free memory was 160.6MB in the beginning and 159.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 99.00ms. Allocated memory is still 195.0MB. Free memory was 158.4MB in the beginning and 154.3MB in the end (delta: 4.1MB). 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! [2023-11-19 04:46:43,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2b57893-543a-47fb-9bbe-43df2b1a52ff/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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