./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91 --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 0.2.4-dev-0e0057c [2023-11-25 00:07:04,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:07:04,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-25 00:07:04,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:07:04,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:07:04,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:07:04,684 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:07:04,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:07:04,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:07:04,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:07:04,687 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:07:04,688 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:07:04,688 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:07:04,689 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:07:04,690 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:07:04,690 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:07:04,691 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:07:04,691 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:07:04,692 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:07:04,693 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:07:04,693 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:07:04,694 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:07:04,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:07:04,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:07:04,697 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:07:04,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:07:04,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:07:04,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:07:04,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:07:04,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:07:04,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:07:04,701 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:07:04,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:07:04,702 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:07:04,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:07:04,704 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:07:04,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:07:04,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:07:04,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:07:04,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:04,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:07:04,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:07:04,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:07:04,707 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:07:04,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:07:04,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:07:04,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:07:04,708 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:07:04,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:07:04,709 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_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2023-11-25 00:07:05,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:07:05,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:07:05,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:07:05,058 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:07:05,059 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:07:05,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-25 00:07:08,313 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:07:08,644 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:07:08,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-25 00:07:08,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/data/8abcd1284/400f220e14954ee28647a957b0019665/FLAGba2be9625 [2023-11-25 00:07:08,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/data/8abcd1284/400f220e14954ee28647a957b0019665 [2023-11-25 00:07:08,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:07:08,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:07:08,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:07:08,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:07:08,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:07:08,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:08" (1/1) ... [2023-11-25 00:07:08,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d3a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:08, skipping insertion in model container [2023-11-25 00:07:08,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:08" (1/1) ... [2023-11-25 00:07:08,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:07:09,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:07:09,453 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:07:09,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:07:09,581 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:09,581 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:09,589 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:07:09,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:09 WrapperNode [2023-11-25 00:07:09,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:07:09,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:07:09,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:07:09,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:07:09,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:09" (1/1) ... [2023-11-25 00:07:09,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:09" (1/1) ... [2023-11-25 00:07:09,646 INFO L138 Inliner]: procedures = 324, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-25 00:07:09,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:07:09,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:07:09,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:07:09,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:07:09,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:09" (1/1) ... [2023-11-25 00:07:09,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:09" (1/1) ... [2023-11-25 00:07:09,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:09" (1/1) ... [2023-11-25 00:07:09,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:09" (1/1) ... [2023-11-25 00:07:09,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:09" (1/1) ... [2023-11-25 00:07:09,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:09" (1/1) ... [2023-11-25 00:07:09,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:09" (1/1) ... [2023-11-25 00:07:09,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:09" (1/1) ... [2023-11-25 00:07:09,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:07:09,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:07:09,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:07:09,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:07:09,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:09" (1/1) ... [2023-11-25 00:07:09,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:09,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:07:09,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:07:09,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:07:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-25 00:07:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:07:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:07:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-25 00:07:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:07:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-25 00:07:09,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-25 00:07:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-25 00:07:09,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-25 00:07:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-25 00:07:09,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-25 00:07:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-25 00:07:09,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-25 00:07:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:07:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:07:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:07:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:07:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:07:09,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:07:09,797 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-25 00:07:09,949 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:07:09,951 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:07:10,221 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:07:10,446 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:07:10,446 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:07:10,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:10 BoogieIcfgContainer [2023-11-25 00:07:10,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:07:10,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:07:10,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:07:10,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:07:10,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:07:08" (1/3) ... [2023-11-25 00:07:10,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cb6213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:10, skipping insertion in model container [2023-11-25 00:07:10,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:09" (2/3) ... [2023-11-25 00:07:10,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cb6213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:10, skipping insertion in model container [2023-11-25 00:07:10,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:10" (3/3) ... [2023-11-25 00:07:10,458 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2023-11-25 00:07:10,468 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-25 00:07:10,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:07:10,481 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-25 00:07:10,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cb6213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:07:10, skipping insertion in model container [2023-11-25 00:07:10,483 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:07:10,484 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:07:10,484 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:07:10,484 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:07:10,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:10" (3/3) ... [2023-11-25 00:07:10,488 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-25 00:07:10,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2023-11-25 00:07:10,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-25 00:07:10,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-25 00:07:10,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-25 00:07:10,498 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2023-11-25 00:07:10,499 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-25 00:07:10,499 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-25 00:07:10,499 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-25 00:07:10,610 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-25 00:07:10,611 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-25 00:07:10,611 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:07:10,613 INFO L158 Benchmark]: Toolchain (without parser) took 1906.36ms. Allocated memory is still 163.6MB. Free memory was 113.5MB in the beginning and 96.2MB in the end (delta: 17.2MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-11-25 00:07:10,613 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:07:10,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 880.87ms. Allocated memory is still 163.6MB. Free memory was 113.5MB in the beginning and 80.3MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-25 00:07:10,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.15ms. Allocated memory is still 163.6MB. Free memory was 79.9MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:07:10,615 INFO L158 Benchmark]: Boogie Preprocessor took 47.69ms. Allocated memory is still 163.6MB. Free memory was 77.8MB in the beginning and 76.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:07:10,615 INFO L158 Benchmark]: RCFGBuilder took 751.58ms. Allocated memory is still 163.6MB. Free memory was 76.1MB in the beginning and 104.1MB in the end (delta: -27.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-25 00:07:10,616 INFO L158 Benchmark]: TraceAbstraction took 33.29ms. Allocated memory is still 163.6MB. Free memory was 103.4MB in the beginning and 101.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:07:10,616 INFO L158 Benchmark]: Witness Printer took 127.57ms. Allocated memory is still 163.6MB. Free memory was 101.1MB in the beginning and 96.2MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:07:10,619 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 880.87ms. Allocated memory is still 163.6MB. Free memory was 113.5MB in the beginning and 80.3MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.15ms. Allocated memory is still 163.6MB. Free memory was 79.9MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.69ms. Allocated memory is still 163.6MB. Free memory was 77.8MB in the beginning and 76.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 751.58ms. Allocated memory is still 163.6MB. Free memory was 76.1MB in the beginning and 104.1MB in the end (delta: -27.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * TraceAbstraction took 33.29ms. Allocated memory is still 163.6MB. Free memory was 103.4MB in the beginning and 101.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 127.57ms. Allocated memory is still 163.6MB. Free memory was 101.1MB in the beginning and 96.2MB in the end (delta: 4.9MB). 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! [2023-11-25 00:07:10,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1266f0dc-ffab-4bed-9489-283a42067743/bin/utaipan-verify-SwPr7d2a91/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