./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 01:14:47,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 01:14:47,661 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-03-09 01:14:47,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 01:14:47,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 01:14:47,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 01:14:47,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 01:14:47,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 01:14:47,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 01:14:47,688 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 01:14:47,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 01:14:47,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 01:14:47,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 01:14:47,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 01:14:47,688 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 01:14:47,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 01:14:47,689 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 01:14:47,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 01:14:47,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 01:14:47,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 01:14:47,690 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-09 01:14:47,690 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-09 01:14:47,691 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-09 01:14:47,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 01:14:47,691 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-09 01:14:47,691 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 01:14:47,691 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 01:14:47,691 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 01:14:47,691 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 01:14:47,691 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 01:14:47,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 01:14:47,692 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 01:14:47,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 01:14:47,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:14:47,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 01:14:47,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 01:14:47,692 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 01:14:47,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 01:14:47,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 01:14:47,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 01:14:47,692 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 01:14:47,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 01:14:47,692 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/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 -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2025-03-09 01:14:47,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 01:14:47,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 01:14:47,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 01:14:47,932 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 01:14:47,933 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 01:14:47,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2025-03-09 01:14:49,070 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22eaf4c83/9cf21ec4adf14009a1bbffec2b8ed129/FLAG1fc402acf [2025-03-09 01:14:49,344 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 01:14:49,344 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2025-03-09 01:14:49,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22eaf4c83/9cf21ec4adf14009a1bbffec2b8ed129/FLAG1fc402acf [2025-03-09 01:14:49,630 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22eaf4c83/9cf21ec4adf14009a1bbffec2b8ed129 [2025-03-09 01:14:49,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 01:14:49,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 01:14:49,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 01:14:49,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 01:14:49,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 01:14:49,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:49,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4784ac1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49, skipping insertion in model container [2025-03-09 01:14:49,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:49,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 01:14:49,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:14:49,900 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 01:14:49,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:14:49,970 INFO L204 MainTranslator]: Completed translation [2025-03-09 01:14:49,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49 WrapperNode [2025-03-09 01:14:49,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 01:14:49,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 01:14:49,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 01:14:49,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 01:14:49,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:49,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:50,001 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2025-03-09 01:14:50,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 01:14:50,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 01:14:50,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 01:14:50,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 01:14:50,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:50,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:50,012 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:50,020 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2025-03-09 01:14:50,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:50,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:50,023 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:50,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:50,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:50,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:50,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 01:14:50,034 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 01:14:50,034 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 01:14:50,034 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 01:14:50,035 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49" (1/1) ... [2025-03-09 01:14:50,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:14:50,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:14:50,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 01:14:50,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 01:14:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-09 01:14:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 01:14:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-09 01:14:50,078 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-09 01:14:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 01:14:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 01:14:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 01:14:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-09 01:14:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 01:14:50,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 01:14:50,079 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-09 01:14:50,167 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 01:14:50,169 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 01:14:50,281 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-09 01:14:50,281 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 01:14:50,371 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 01:14:50,371 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 01:14:50,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:14:50 BoogieIcfgContainer [2025-03-09 01:14:50,372 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 01:14:50,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 01:14:50,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 01:14:50,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 01:14:50,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 01:14:49" (1/3) ... [2025-03-09 01:14:50,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ecdade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:14:50, skipping insertion in model container [2025-03-09 01:14:50,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:49" (2/3) ... [2025-03-09 01:14:50,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ecdade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:14:50, skipping insertion in model container [2025-03-09 01:14:50,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:14:50" (3/3) ... [2025-03-09 01:14:50,380 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2025-03-09 01:14:50,392 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 01:14:50,393 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_19-publish-precision_unknown_1_neg.i that has 2 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-09 01:14:50,394 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-09 01:14:50,428 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-09 01:14:50,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2025-03-09 01:14:50,485 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2025-03-09 01:14:50,487 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-09 01:14:50,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 32 events. 2/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 33 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2025-03-09 01:14:50,490 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2025-03-09 01:14:50,492 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2025-03-09 01:14:50,497 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:14:50,506 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;@3fc7a14e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:14:50,506 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-09 01:14:50,514 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 01:14:50,516 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2025-03-09 01:14:50,517 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 01:14:50,517 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 01:14:50,517 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:14:50,518 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-09 01:14:50,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:14:50,521 INFO L85 PathProgramCache]: Analyzing trace with hash -444797133, now seen corresponding path program 1 times [2025-03-09 01:14:50,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:14:50,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850613579] [2025-03-09 01:14:50,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:14:50,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:14:50,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 01:14:50,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 01:14:50,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:14:50,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 01:14:50,625 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 01:14:50,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 01:14:50,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 01:14:50,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:14:50,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 01:14:50,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 01:14:50,666 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-09 01:14:50,667 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2025-03-09 01:14:50,668 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2025-03-09 01:14:50,669 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-03-09 01:14:50,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 01:14:50,669 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-09 01:14:50,692 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-09 01:14:50,692 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 01:14:50,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 01:14:50 BasicIcfg [2025-03-09 01:14:50,697 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 01:14:50,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 01:14:50,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 01:14:50,699 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 01:14:50,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:14:50" (3/4) ... [2025-03-09 01:14:50,701 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-09 01:14:50,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 01:14:50,703 INFO L158 Benchmark]: Toolchain (without parser) took 1068.96ms. Allocated memory is still 201.3MB. Free memory was 154.1MB in the beginning and 88.7MB in the end (delta: 65.4MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-03-09 01:14:50,703 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:14:50,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.67ms. Allocated memory is still 201.3MB. Free memory was 153.7MB in the beginning and 134.5MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 01:14:50,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.23ms. Allocated memory is still 201.3MB. Free memory was 134.5MB in the beginning and 133.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:14:50,705 INFO L158 Benchmark]: Boogie Preprocessor took 31.33ms. Allocated memory is still 201.3MB. Free memory was 133.1MB in the beginning and 131.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:14:50,705 INFO L158 Benchmark]: IcfgBuilder took 337.85ms. Allocated memory is still 201.3MB. Free memory was 131.4MB in the beginning and 109.1MB in the end (delta: 22.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 01:14:50,705 INFO L158 Benchmark]: TraceAbstraction took 322.90ms. Allocated memory is still 201.3MB. Free memory was 108.7MB in the beginning and 89.1MB in the end (delta: 19.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-09 01:14:50,705 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 201.3MB. Free memory was 89.1MB in the beginning and 88.7MB in the end (delta: 369.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:14:50,709 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.67ms. Allocated memory is still 201.3MB. Free memory was 153.7MB in the beginning and 134.5MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.23ms. Allocated memory is still 201.3MB. Free memory was 134.5MB in the beginning and 133.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.33ms. Allocated memory is still 201.3MB. Free memory was 133.1MB in the beginning and 131.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 337.85ms. Allocated memory is still 201.3MB. Free memory was 131.4MB in the beginning and 109.1MB in the end (delta: 22.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 322.90ms. Allocated memory is still 201.3MB. Free memory was 108.7MB in the beginning and 89.1MB in the end (delta: 19.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 201.3MB. Free memory was 89.1MB in the beginning and 88.7MB in the end (delta: 369.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=-1, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 47 locations, 48 edges, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.2s, 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=68occurred 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, 8 NumberOfCodeBlocks, 8 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 [2025-03-09 01:14:50,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 01:14:52,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 01:14:52,647 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2025-03-09 01:14:52,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 01:14:52,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 01:14:52,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 01:14:52,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 01:14:52,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 01:14:52,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 01:14:52,681 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 01:14:52,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 01:14:52,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 01:14:52,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 01:14:52,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 01:14:52,682 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 01:14:52,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 01:14:52,682 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 01:14:52,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 01:14:52,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 01:14:52,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 01:14:52,683 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-09 01:14:52,683 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-09 01:14:52,683 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-09 01:14:52,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 01:14:52,683 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-09 01:14:52,683 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 01:14:52,684 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:14:52,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 01:14:52,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 01:14:52,684 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/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 -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2025-03-09 01:14:52,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 01:14:52,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 01:14:52,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 01:14:52,928 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 01:14:52,929 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 01:14:52,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2025-03-09 01:14:54,169 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9b5b0da/286240b960474e82bb21dc62d70b21ee/FLAG1ac349bc3 [2025-03-09 01:14:54,400 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 01:14:54,403 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2025-03-09 01:14:54,414 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9b5b0da/286240b960474e82bb21dc62d70b21ee/FLAG1ac349bc3 [2025-03-09 01:14:54,427 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9b5b0da/286240b960474e82bb21dc62d70b21ee [2025-03-09 01:14:54,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 01:14:54,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 01:14:54,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 01:14:54,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 01:14:54,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 01:14:54,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e87ea98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54, skipping insertion in model container [2025-03-09 01:14:54,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 01:14:54,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:14:54,670 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 01:14:54,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:14:54,756 INFO L204 MainTranslator]: Completed translation [2025-03-09 01:14:54,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54 WrapperNode [2025-03-09 01:14:54,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 01:14:54,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 01:14:54,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 01:14:54,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 01:14:54,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,799 INFO L138 Inliner]: procedures = 166, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2025-03-09 01:14:54,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 01:14:54,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 01:14:54,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 01:14:54,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 01:14:54,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,823 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2025-03-09 01:14:54,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,832 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 01:14:54,841 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 01:14:54,842 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 01:14:54,842 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 01:14:54,843 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54" (1/1) ... [2025-03-09 01:14:54,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:14:54,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:14:54,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 01:14:54,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 01:14:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-09 01:14:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 01:14:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-09 01:14:54,884 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-09 01:14:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-09 01:14:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-09 01:14:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-09 01:14:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-03-09 01:14:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-03-09 01:14:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-03-09 01:14:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-09 01:14:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 01:14:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 01:14:54,885 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-09 01:14:54,982 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 01:14:54,983 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 01:14:55,115 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-09 01:14:55,115 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 01:14:55,237 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 01:14:55,238 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 01:14:55,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:14:55 BoogieIcfgContainer [2025-03-09 01:14:55,238 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 01:14:55,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 01:14:55,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 01:14:55,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 01:14:55,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 01:14:54" (1/3) ... [2025-03-09 01:14:55,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8451c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:14:55, skipping insertion in model container [2025-03-09 01:14:55,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:14:54" (2/3) ... [2025-03-09 01:14:55,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8451c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:14:55, skipping insertion in model container [2025-03-09 01:14:55,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:14:55" (3/3) ... [2025-03-09 01:14:55,244 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2025-03-09 01:14:55,254 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 01:14:55,255 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_19-publish-precision_unknown_1_neg.i that has 2 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-09 01:14:55,255 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-09 01:14:55,282 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-09 01:14:55,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2025-03-09 01:14:55,332 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2025-03-09 01:14:55,335 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-09 01:14:55,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 32 events. 2/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 33 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2025-03-09 01:14:55,337 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2025-03-09 01:14:55,339 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2025-03-09 01:14:55,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:14:55,353 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;@5f0a0165, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:14:55,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-09 01:14:55,359 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 01:14:55,360 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2025-03-09 01:14:55,360 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 01:14:55,360 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 01:14:55,361 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:14:55,361 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-09 01:14:55,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:14:55,365 INFO L85 PathProgramCache]: Analyzing trace with hash 580030515, now seen corresponding path program 1 times [2025-03-09 01:14:55,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 01:14:55,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2083151660] [2025-03-09 01:14:55,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:14:55,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:14:55,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:14:55,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 01:14:55,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 01:14:55,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 01:14:55,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 01:14:55,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:14:55,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 01:14:55,456 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 01:14:55,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 01:14:55,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 01:14:55,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:14:55,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 01:14:55,490 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-09 01:14:55,492 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-09 01:14:55,493 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2025-03-09 01:14:55,494 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2025-03-09 01:14:55,494 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-03-09 01:14:55,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 01:14:55,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:14:55,696 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-09 01:14:55,719 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-09 01:14:55,720 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 01:14:55,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 01:14:55 BasicIcfg [2025-03-09 01:14:55,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 01:14:55,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 01:14:55,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 01:14:55,724 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 01:14:55,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:14:55" (3/4) ... [2025-03-09 01:14:55,726 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-09 01:14:55,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 01:14:55,730 INFO L158 Benchmark]: Toolchain (without parser) took 1296.53ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 67.6MB in the end (delta: 24.0MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2025-03-09 01:14:55,730 INFO L158 Benchmark]: CDTParser took 1.96ms. Allocated memory is still 83.9MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:14:55,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.42ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 71.2MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 01:14:55,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.31ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:14:55,731 INFO L158 Benchmark]: Boogie Preprocessor took 39.50ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:14:55,732 INFO L158 Benchmark]: IcfgBuilder took 397.04ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 89.6MB in the end (delta: -21.6MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2025-03-09 01:14:55,732 INFO L158 Benchmark]: TraceAbstraction took 483.74ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 67.6MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 01:14:55,732 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 117.4MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:14:55,734 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.96ms. Allocated memory is still 83.9MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.42ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 71.2MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.31ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.50ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 397.04ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 89.6MB in the end (delta: -21.6MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * TraceAbstraction took 483.74ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 67.6MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 117.4MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=0, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 47 locations, 48 edges, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.4s, 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=68occurred 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, 8 NumberOfCodeBlocks, 8 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 [2025-03-09 01:14:55,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample