./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-regression/test_union_cast-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-regression/test_union_cast-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06d8e972fd3570f0a6f863e33caed64af1841db41ea5253d322a4e84273bf524 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 22:16:15,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 22:16:15,745 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-01-09 22:16:15,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 22:16:15,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 22:16:15,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 22:16:15,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 22:16:15,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 22:16:15,786 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 22:16:15,787 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 22:16:15,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 22:16:15,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 22:16:15,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 22:16:15,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 22:16:15,787 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 22:16:15,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 22:16:15,788 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 22:16:15,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 22:16:15,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 22:16:15,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 22:16:15,788 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-01-09 22:16:15,788 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-01-09 22:16:15,788 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-01-09 22:16:15,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 22:16:15,789 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 22:16:15,789 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 22:16:15,789 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 22:16:15,789 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 22:16:15,789 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 22:16:15,789 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 22:16:15,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:16:15,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:16:15,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:16:15,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:16:15,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 22:16:15,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:16:15,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:16:15,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:16:15,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:16:15,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 22:16:15,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 22:16:15,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 22:16:15,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 22:16:15,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 22:16:15,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 22:16:15,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 22:16:15,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 22:16:15,792 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 06d8e972fd3570f0a6f863e33caed64af1841db41ea5253d322a4e84273bf524 [2025-01-09 22:16:16,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 22:16:16,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 22:16:16,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 22:16:16,077 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 22:16:16,077 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 22:16:16,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_union_cast-1.i [2025-01-09 22:16:17,412 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4df982f64/75a4884a6d964cf3910a4d46d11a485a/FLAGe7e596697 [2025-01-09 22:16:17,702 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 22:16:17,703 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_union_cast-1.i [2025-01-09 22:16:17,710 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4df982f64/75a4884a6d964cf3910a4d46d11a485a/FLAGe7e596697 [2025-01-09 22:16:17,726 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4df982f64/75a4884a6d964cf3910a4d46d11a485a [2025-01-09 22:16:17,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 22:16:17,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 22:16:17,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 22:16:17,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 22:16:17,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 22:16:17,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:17,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d927fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17, skipping insertion in model container [2025-01-09 22:16:17,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:17,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 22:16:17,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:16:17,909 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 22:16:17,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:16:17,942 INFO L204 MainTranslator]: Completed translation [2025-01-09 22:16:17,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17 WrapperNode [2025-01-09 22:16:17,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 22:16:17,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 22:16:17,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 22:16:17,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 22:16:17,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:17,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:17,974 INFO L138 Inliner]: procedures = 17, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2025-01-09 22:16:17,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 22:16:17,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 22:16:17,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 22:16:17,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 22:16:17,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:17,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:17,984 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:18,001 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2025-01-09 22:16:18,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:18,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:18,009 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:18,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:18,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:18,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:18,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:18,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 22:16:18,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 22:16:18,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 22:16:18,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 22:16:18,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (1/1) ... [2025-01-09 22:16:18,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:16:18,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 22:16:18,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 22:16:18,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 22:16:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 22:16:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 22:16:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 22:16:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 22:16:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 22:16:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 22:16:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-01-09 22:16:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-01-09 22:16:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 22:16:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 22:16:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 22:16:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 22:16:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 22:16:18,114 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 22:16:18,116 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 22:16:18,224 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2025-01-09 22:16:18,225 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 22:16:18,239 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 22:16:18,239 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 22:16:18,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 10:16:18 BoogieIcfgContainer [2025-01-09 22:16:18,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 22:16:18,243 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 22:16:18,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 22:16:18,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 22:16:18,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 10:16:17" (1/3) ... [2025-01-09 22:16:18,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac8647f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 10:16:18, skipping insertion in model container [2025-01-09 22:16:18,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:17" (2/3) ... [2025-01-09 22:16:18,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac8647f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 10:16:18, skipping insertion in model container [2025-01-09 22:16:18,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 10:16:18" (3/3) ... [2025-01-09 22:16:18,251 INFO L128 eAbstractionObserver]: Analyzing ICFG test_union_cast-1.i [2025-01-09 22:16:18,265 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 22:16:18,267 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test_union_cast-1.i that has 1 procedures, 25 locations, 1 initial locations, 1 loop locations, and 9 error locations. [2025-01-09 22:16:18,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 22:16:18,321 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@7882356a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 22:16:18,321 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-01-09 22:16:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 15 states have (on average 1.8) internal successors, (27), 24 states have internal predecessors, (27), 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) [2025-01-09 22:16:18,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-01-09 22:16:18,329 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 22:16:18,329 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-01-09 22:16:18,330 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 6 more)] === [2025-01-09 22:16:18,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 22:16:18,334 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2025-01-09 22:16:18,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 22:16:18,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147646877] [2025-01-09 22:16:18,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 22:16:18,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 22:16:18,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-09 22:16:18,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-09 22:16:18,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 22:16:18,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 22:16:18,406 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 22:16:18,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-09 22:16:18,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-09 22:16:18,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 22:16:18,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 22:16:18,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 22:16:18,432 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 22:16:18,433 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (8 of 9 remaining) [2025-01-09 22:16:18,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 9 remaining) [2025-01-09 22:16:18,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 9 remaining) [2025-01-09 22:16:18,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 9 remaining) [2025-01-09 22:16:18,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 9 remaining) [2025-01-09 22:16:18,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 9 remaining) [2025-01-09 22:16:18,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 9 remaining) [2025-01-09 22:16:18,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (1 of 9 remaining) [2025-01-09 22:16:18,436 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK (0 of 9 remaining) [2025-01-09 22:16:18,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 22:16:18,442 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 22:16:18,457 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 22:16:18,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 10:16:18 BoogieIcfgContainer [2025-01-09 22:16:18,461 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 22:16:18,463 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 22:16:18,463 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 22:16:18,463 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 22:16:18,464 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 10:16:18" (3/4) ... [2025-01-09 22:16:18,466 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 22:16:18,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 22:16:18,468 INFO L158 Benchmark]: Toolchain (without parser) took 737.90ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 68.9MB in the end (delta: 36.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 22:16:18,469 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:16:18,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.03ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 93.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 22:16:18,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.49ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 92.0MB in the end (delta: 883.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:16:18,470 INFO L158 Benchmark]: Boogie Preprocessor took 39.16ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 91.1MB in the end (delta: 883.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:16:18,471 INFO L158 Benchmark]: RCFGBuilder took 221.08ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 80.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 22:16:18,472 INFO L158 Benchmark]: TraceAbstraction took 218.14ms. Allocated memory is still 142.6MB. Free memory was 80.0MB in the beginning and 68.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 22:16:18,473 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 142.6MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:16:18,474 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.03ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 93.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.49ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 92.0MB in the end (delta: 883.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.16ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 91.1MB in the end (delta: 883.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 221.08ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 80.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 218.14ms. Allocated memory is still 142.6MB. Free memory was 80.0MB in the beginning and 68.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 142.6MB. Free memory is still 68.9MB. There was no memory consumed. 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 - UnprovableResult [Line: 36]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 36. Possible FailurePath: [L29] int CURRENTLY_SAFE; VAL [CURRENTLY_SAFE=0] [L36] union X var; VAL [CURRENTLY_SAFE=0] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 22:16:18,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-regression/test_union_cast-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06d8e972fd3570f0a6f863e33caed64af1841db41ea5253d322a4e84273bf524 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 22:16:20,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 22:16:20,887 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2025-01-09 22:16:20,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 22:16:20,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 22:16:20,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 22:16:20,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 22:16:20,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 22:16:20,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 22:16:20,930 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 22:16:20,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 22:16:20,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 22:16:20,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 22:16:20,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 22:16:20,930 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 22:16:20,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 22:16:20,931 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 22:16:20,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 22:16:20,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 22:16:20,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 22:16:20,931 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-01-09 22:16:20,931 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-01-09 22:16:20,931 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-01-09 22:16:20,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 22:16:20,931 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 22:16:20,931 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 22:16:20,931 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 22:16:20,931 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 22:16:20,932 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 22:16:20,932 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 22:16:20,932 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 22:16:20,932 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 22:16:20,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:16:20,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:16:20,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:16:20,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:16:20,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 22:16:20,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 22:16:20,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 22:16:20,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 22:16:20,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 22:16:20,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 22:16:20,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 22:16:20,934 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 22:16:20,935 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 22:16:20,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 22:16:20,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 22:16:20,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 22:16:20,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 22:16:20,935 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 06d8e972fd3570f0a6f863e33caed64af1841db41ea5253d322a4e84273bf524 [2025-01-09 22:16:21,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 22:16:21,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 22:16:21,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 22:16:21,249 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 22:16:21,249 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 22:16:21,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_union_cast-1.i [2025-01-09 22:16:22,602 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/214fdf19c/67fdd19c31594e95b83e669cb5ff0715/FLAG6fcf89099 [2025-01-09 22:16:22,837 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 22:16:22,838 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_union_cast-1.i [2025-01-09 22:16:22,847 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/214fdf19c/67fdd19c31594e95b83e669cb5ff0715/FLAG6fcf89099 [2025-01-09 22:16:22,865 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/214fdf19c/67fdd19c31594e95b83e669cb5ff0715 [2025-01-09 22:16:22,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 22:16:22,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 22:16:22,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 22:16:22,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 22:16:22,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 22:16:22,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:16:22" (1/1) ... [2025-01-09 22:16:22,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512a55af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:22, skipping insertion in model container [2025-01-09 22:16:22,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 10:16:22" (1/1) ... [2025-01-09 22:16:22,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 22:16:23,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:16:23,075 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 22:16:23,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 22:16:23,120 INFO L204 MainTranslator]: Completed translation [2025-01-09 22:16:23,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:23 WrapperNode [2025-01-09 22:16:23,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 22:16:23,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 22:16:23,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 22:16:23,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 22:16:23,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:23" (1/1) ... [2025-01-09 22:16:23,138 ERROR L1139 TypeChecker]: : Undeclared function ~fp~64 in FunctionApplication[~fp~64,[BitVectorAccessExpression[IdentifierExpression[#valueAsBitvector,QUANTIFIED],64,63],BitVectorAccessExpression[IdentifierExpression[#valueAsBitvector,QUANTIFIED],63,52],BitVectorAccessExpression[IdentifierExpression[#valueAsBitvector,QUANTIFIED],52,0]]] [2025-01-09 22:16:23,140 ERROR L1139 TypeChecker]: : Undeclared function ~fp~64 in FunctionApplication[~fp~64,[BitVectorAccessExpression[BinaryExpression[BITVECCONCAT,ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#ptr,],base],FunctionApplication[~bvadd~32,[BitvecLiteral[4,32],StructAccessExpression[IdentifierExpression[#ptr,],offset]]]]]]],ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#ptr,]]]],64,63],BitVectorAccessExpression[BinaryExpression[BITVECCONCAT,ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#ptr,],base],FunctionApplication[~bvadd~32,[BitvecLiteral[4,32],StructAccessExpression[IdentifierExpression[#ptr,],offset]]]]]]],ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#ptr,]]]],63,52],BitVectorAccessExpression[BinaryExpression[BITVECCONCAT,ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#ptr,],base],FunctionApplication[~bvadd~32,[BitvecLiteral[4,32],StructAccessExpression[IdentifierExpression[#ptr,],offset]]]]]]],ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#ptr,]]]],52,0]]] [2025-01-09 22:16:23,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 10:16:23" (1/1) ... [2025-01-09 22:16:23,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 22:16:23,141 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2025-01-09 22:16:23,145 INFO L158 Benchmark]: Toolchain (without parser) took 270.31ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.2MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 22:16:23,147 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:16:23,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.90ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 22:16:23,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.68ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 79.2MB in the end (delta: 421.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 22:16:23,149 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.90ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.68ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 79.2MB in the end (delta: 421.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: -1]: Type Error Undeclared function ~fp~64 in FunctionApplication[~fp~64,[BitVectorAccessExpression[IdentifierExpression[#valueAsBitvector,QUANTIFIED],64,63],BitVectorAccessExpression[IdentifierExpression[#valueAsBitvector,QUANTIFIED],63,52],BitVectorAccessExpression[IdentifierExpression[#valueAsBitvector,QUANTIFIED],52,0]]] - TypeErrorResult [Line: -1]: Type Error Undeclared function ~fp~64 in FunctionApplication[~fp~64,[BitVectorAccessExpression[BinaryExpression[BITVECCONCAT,ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#ptr,],base],FunctionApplication[~bvadd~32,[BitvecLiteral[4,32],StructAccessExpression[IdentifierExpression[#ptr,],offset]]]]]]],ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#ptr,]]]],64,63],BitVectorAccessExpression[BinaryExpression[BITVECCONCAT,ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#ptr,],base],FunctionApplication[~bvadd~32,[BitvecLiteral[4,32],StructAccessExpression[IdentifierExpression[#ptr,],offset]]]]]]],ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#ptr,]]]],63,52],BitVectorAccessExpression[BinaryExpression[BITVECCONCAT,ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[#ptr,],base],FunctionApplication[~bvadd~32,[BitvecLiteral[4,32],StructAccessExpression[IdentifierExpression[#ptr,],offset]]]]]]],ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#ptr,]]]],52,0]]] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: TYPE ERROR