./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 48c9605d 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/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.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 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:29:52,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:29:53,063 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 08:29:53,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:29:53,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:29:53,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:29:53,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:29:53,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:29:53,101 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:29:53,101 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:29:53,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:29:53,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:29:53,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:29:53,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:29:53,103 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:29:53,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:29:53,103 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:29:53,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:29:53,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:29:53,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:29:53,104 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:29:53,104 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:29:53,104 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:29:53,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:29:53,104 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:29:53,104 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:29:53,104 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:29:53,104 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:29:53,105 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:29:53,105 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:29:53,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:29:53,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:29:53,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:29:53,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:29:53,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:29:53,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:29:53,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:29:53,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:29:53,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:29:53,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:29:53,105 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:29:53,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:29:53,106 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 -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2025-02-08 08:29:53,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:29:53,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:29:53,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:29:53,403 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:29:53,403 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:29:53,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2025-02-08 08:29:54,679 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4f655cd75/1a0b091e28c344bba5729a6dbdbd752e/FLAG816c5f260 [2025-02-08 08:29:54,946 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:29:54,947 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2025-02-08 08:29:54,958 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4f655cd75/1a0b091e28c344bba5729a6dbdbd752e/FLAG816c5f260 [2025-02-08 08:29:55,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4f655cd75/1a0b091e28c344bba5729a6dbdbd752e [2025-02-08 08:29:55,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:29:55,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:29:55,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:29:55,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:29:55,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:29:55,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa89fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55, skipping insertion in model container [2025-02-08 08:29:55,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:29:55,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:29:55,635 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:29:55,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:29:55,713 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:29:55,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55 WrapperNode [2025-02-08 08:29:55,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:29:55,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:29:55,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:29:55,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:29:55,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,762 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2025-02-08 08:29:55,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:29:55,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:29:55,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:29:55,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:29:55,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,776 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,793 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]. [2025-02-08 08:29:55,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,800 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:29:55,812 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:29:55,812 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:29:55,812 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:29:55,813 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55" (1/1) ... [2025-02-08 08:29:55,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:29:55,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:29:55,842 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) [2025-02-08 08:29:55,844 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 [2025-02-08 08:29:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 08:29:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:29:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-08 08:29:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-08 08:29:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:29:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 08:29:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 08:29:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 08:29:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:29:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:29:55,863 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 08:29:55,975 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:29:55,976 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:29:56,109 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:29:56,109 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:29:56,197 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:29:56,197 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:29:56,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:29:56 BoogieIcfgContainer [2025-02-08 08:29:56,198 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:29:56,200 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:29:56,200 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:29:56,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:29:56,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:29:55" (1/3) ... [2025-02-08 08:29:56,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3866e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:29:56, skipping insertion in model container [2025-02-08 08:29:56,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:29:55" (2/3) ... [2025-02-08 08:29:56,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3866e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:29:56, skipping insertion in model container [2025-02-08 08:29:56,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:29:56" (3/3) ... [2025-02-08 08:29:56,207 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2025-02-08 08:29:56,222 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:29:56,224 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. [2025-02-08 08:29:56,225 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:29:56,282 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-08 08:29:56,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2025-02-08 08:29:56,362 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2025-02-08 08:29:56,364 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 08:29:56,368 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 32 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. [2025-02-08 08:29:56,371 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2025-02-08 08:29:56,375 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2025-02-08 08:29:56,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:29:56,404 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;@4419e0f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:29:56,405 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-02-08 08:29:56,416 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:29:56,417 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2025-02-08 08:29:56,417 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:29:56,417 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:29:56,418 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:29:56,419 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-02-08 08:29:56,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:29:56,424 INFO L85 PathProgramCache]: Analyzing trace with hash 437274361, now seen corresponding path program 1 times [2025-02-08 08:29:56,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:29:56,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201428873] [2025-02-08 08:29:56,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:29:56,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:29:56,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:29:56,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:29:56,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:29:56,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 08:29:56,550 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 08:29:56,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:29:56,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:29:56,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:29:56,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 08:29:56,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 08:29:56,589 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 08:29:56,591 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2025-02-08 08:29:56,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2025-02-08 08:29:56,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-02-08 08:29:56,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:29:56,594 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 08:29:56,622 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 08:29:56,622 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:29:56,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:29:56 BasicIcfg [2025-02-08 08:29:56,630 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:29:56,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:29:56,631 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:29:56,631 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:29:56,632 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:29:56" (3/4) ... [2025-02-08 08:29:56,635 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 08:29:56,636 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:29:56,638 INFO L158 Benchmark]: Toolchain (without parser) took 1396.79ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 45.9MB in the end (delta: 65.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-08 08:29:56,638 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:29:56,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.05ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 91.8MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:29:56,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.92ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 90.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:29:56,639 INFO L158 Benchmark]: Boogie Preprocessor took 48.03ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 88.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:29:56,640 INFO L158 Benchmark]: IcfgBuilder took 386.04ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 66.1MB in the end (delta: 22.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:29:56,640 INFO L158 Benchmark]: TraceAbstraction took 430.09ms. Allocated memory is still 142.6MB. Free memory was 65.6MB in the beginning and 45.9MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:29:56,641 INFO L158 Benchmark]: Witness Printer took 5.25ms. Allocated memory is still 142.6MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:29:56,643 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.05ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 91.8MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.92ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 90.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.03ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 88.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 386.04ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 66.1MB in the end (delta: 22.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 430.09ms. Allocated memory is still 142.6MB. Free memory was 65.6MB in the beginning and 45.9MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.25ms. Allocated memory is still 142.6MB. Free memory is still 45.9MB. 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, 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, 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 [2025-02-08 08:29:56,665 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/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.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 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:29:58,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:29:59,136 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2025-02-08 08:29:59,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:29:59,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:29:59,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:29:59,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:29:59,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:29:59,176 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:29:59,176 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:29:59,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:29:59,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:29:59,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:29:59,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:29:59,178 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:29:59,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:29:59,178 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:29:59,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:29:59,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:29:59,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:29:59,178 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:29:59,179 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:29:59,179 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:29:59,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:29:59,179 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:29:59,179 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 08:29:59,179 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 08:29:59,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:29:59,180 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:29:59,180 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:29:59,180 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:29:59,180 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:29:59,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:29:59,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:29:59,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:29:59,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:29:59,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:29:59,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:29:59,182 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 08:29:59,182 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 08:29:59,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:29:59,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:29:59,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:29:59,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:29:59,182 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 -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2025-02-08 08:29:59,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:29:59,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:29:59,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:29:59,516 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:29:59,516 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:29:59,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2025-02-08 08:30:00,798 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/025854de5/0cb13b6b71e2412b8bd4a3da60bb8ac3/FLAGccd9bc4ba [2025-02-08 08:30:01,077 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:30:01,078 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2025-02-08 08:30:01,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/025854de5/0cb13b6b71e2412b8bd4a3da60bb8ac3/FLAGccd9bc4ba [2025-02-08 08:30:01,364 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/025854de5/0cb13b6b71e2412b8bd4a3da60bb8ac3 [2025-02-08 08:30:01,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:30:01,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:30:01,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:30:01,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:30:01,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:30:01,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f980385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01, skipping insertion in model container [2025-02-08 08:30:01,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,401 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:30:01,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:30:01,671 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:30:01,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:30:01,755 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:30:01,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01 WrapperNode [2025-02-08 08:30:01,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:30:01,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:30:01,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:30:01,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:30:01,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,807 INFO L138 Inliner]: procedures = 166, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2025-02-08 08:30:01,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:30:01,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:30:01,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:30:01,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:30:01,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,825 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,847 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]. [2025-02-08 08:30:01,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,859 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:30:01,874 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:30:01,875 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:30:01,875 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:30:01,876 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01" (1/1) ... [2025-02-08 08:30:01,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:30:01,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:30:01,914 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) [2025-02-08 08:30:01,918 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 [2025-02-08 08:30:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 08:30:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:30:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-08 08:30:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-08 08:30:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 08:30:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-08 08:30:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-08 08:30:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-02-08 08:30:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-02-08 08:30:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-02-08 08:30:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 08:30:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:30:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:30:01,946 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 08:30:02,072 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:30:02,073 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:30:02,247 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:30:02,247 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:30:02,382 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:30:02,382 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:30:02,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:30:02 BoogieIcfgContainer [2025-02-08 08:30:02,383 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:30:02,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:30:02,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:30:02,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:30:02,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:30:01" (1/3) ... [2025-02-08 08:30:02,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301fab49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:30:02, skipping insertion in model container [2025-02-08 08:30:02,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:30:01" (2/3) ... [2025-02-08 08:30:02,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301fab49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:30:02, skipping insertion in model container [2025-02-08 08:30:02,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:30:02" (3/3) ... [2025-02-08 08:30:02,394 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2025-02-08 08:30:02,411 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:30:02,412 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. [2025-02-08 08:30:02,412 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:30:02,455 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-08 08:30:02,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2025-02-08 08:30:02,523 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2025-02-08 08:30:02,525 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 08:30:02,529 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 32 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. [2025-02-08 08:30:02,530 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2025-02-08 08:30:02,532 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2025-02-08 08:30:02,541 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:30:02,553 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;@b662409, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:30:02,554 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-02-08 08:30:02,563 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:30:02,564 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2025-02-08 08:30:02,565 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:30:02,565 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:30:02,566 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:30:02,566 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-02-08 08:30:02,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:30:02,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1462102009, now seen corresponding path program 1 times [2025-02-08 08:30:02,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 08:30:02,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1940376701] [2025-02-08 08:30:02,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:30:02,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:30:02,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:30:02,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:30:02,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 08:30:02,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:30:02,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:30:02,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:30:02,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 08:30:02,677 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 08:30:02,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:30:02,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:30:02,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:30:02,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 08:30:02,726 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-02-08 08:30:02,727 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 08:30:02,729 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2025-02-08 08:30:02,730 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2025-02-08 08:30:02,730 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-02-08 08:30:02,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 08:30:02,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:30:02,932 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 08:30:02,957 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 08:30:02,957 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:30:02,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:30:02 BasicIcfg [2025-02-08 08:30:02,962 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:30:02,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:30:02,963 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:30:02,963 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:30:02,964 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:30:02" (3/4) ... [2025-02-08 08:30:02,967 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 08:30:02,967 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:30:02,968 INFO L158 Benchmark]: Toolchain (without parser) took 1600.85ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 67.4MB in the end (delta: 24.0MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2025-02-08 08:30:02,968 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:30:02,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.55ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.0MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:30:02,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.63ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 69.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:30:02,969 INFO L158 Benchmark]: Boogie Preprocessor took 65.36ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 67.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:30:02,969 INFO L158 Benchmark]: IcfgBuilder took 508.28ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 89.3MB in the end (delta: -21.6MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2025-02-08 08:30:02,970 INFO L158 Benchmark]: TraceAbstraction took 575.80ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 67.4MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:30:02,970 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 117.4MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:30:02,971 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.55ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.0MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.63ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 69.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.36ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 67.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 508.28ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 89.3MB in the end (delta: -21.6MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * TraceAbstraction took 575.80ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 67.4MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 117.4MB. Free memory is still 67.4MB. 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, 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, 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 [2025-02-08 08:30:02,987 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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample