./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_18-first-reads_unknown_2_pos.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 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:07:10,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:07:10,495 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 18:07:10,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:07:10,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:07:10,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:07:10,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:07:10,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:07:10,535 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:07:10,536 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:07:10,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:07:10,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:07:10,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:07:10,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:07:10,539 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:07:10,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:07:10,542 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:07:10,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:07:10,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:07:10,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:07:10,543 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 18:07:10,547 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 18:07:10,548 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 18:07:10,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:07:10,548 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:07:10,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:07:10,549 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:07:10,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:07:10,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:07:10,550 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:07:10,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:07:10,551 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:07:10,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:07:10,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:07:10,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:07:10,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:07:10,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:07:10,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:07:10,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:07:10,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:07:10,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:07:10,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:07:10,554 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2024-11-10 18:07:10,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:07:10,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:07:10,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:07:10,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:07:10,874 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:07:10,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2024-11-10 18:07:12,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:07:12,820 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:07:12,821 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2024-11-10 18:07:12,838 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5434ecea7/8e92a2d84aae492bbf9beba54bc0f544/FLAG90c38c142 [2024-11-10 18:07:12,858 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5434ecea7/8e92a2d84aae492bbf9beba54bc0f544 [2024-11-10 18:07:12,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:07:12,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:07:12,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:07:12,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:07:12,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:07:12,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:07:12" (1/1) ... [2024-11-10 18:07:12,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c49c318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:12, skipping insertion in model container [2024-11-10 18:07:12,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:07:12" (1/1) ... [2024-11-10 18:07:12,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:07:13,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:07:13,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:07:13,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:07:13,450 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:07:13,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13 WrapperNode [2024-11-10 18:07:13,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:07:13,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:07:13,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:07:13,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:07:13,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13" (1/1) ... [2024-11-10 18:07:13,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13" (1/1) ... [2024-11-10 18:07:13,498 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-10 18:07:13,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:07:13,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:07:13,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:07:13,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:07:13,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13" (1/1) ... [2024-11-10 18:07:13,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13" (1/1) ... [2024-11-10 18:07:13,514 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13" (1/1) ... [2024-11-10 18:07:13,534 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-11-10 18:07:13,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13" (1/1) ... [2024-11-10 18:07:13,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13" (1/1) ... [2024-11-10 18:07:13,541 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13" (1/1) ... [2024-11-10 18:07:13,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13" (1/1) ... [2024-11-10 18:07:13,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13" (1/1) ... [2024-11-10 18:07:13,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13" (1/1) ... [2024-11-10 18:07:13,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:07:13,554 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:07:13,554 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:07:13,554 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:07:13,555 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13" (1/1) ... [2024-11-10 18:07:13,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:07:13,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:07:13,605 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) [2024-11-10 18:07:13,612 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 [2024-11-10 18:07:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 18:07:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:07:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-10 18:07:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-10 18:07:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:07:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:07:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 18:07:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:07:13,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:07:13,679 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 18:07:13,852 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:07:13,857 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:07:14,040 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 18:07:14,043 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:07:14,160 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:07:14,161 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:07:14,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:07:14 BoogieIcfgContainer [2024-11-10 18:07:14,161 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:07:14,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:07:14,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:07:14,168 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:07:14,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:07:12" (1/3) ... [2024-11-10 18:07:14,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2becb084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:07:14, skipping insertion in model container [2024-11-10 18:07:14,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:13" (2/3) ... [2024-11-10 18:07:14,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2becb084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:07:14, skipping insertion in model container [2024-11-10 18:07:14,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:07:14" (3/3) ... [2024-11-10 18:07:14,175 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2024-11-10 18:07:14,196 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:07:14,196 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 18:07:14,196 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 18:07:14,242 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 18:07:14,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow [2024-11-10 18:07:14,301 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-11-10 18:07:14,302 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 18:07:14,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 2/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 26 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2024-11-10 18:07:14,305 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow [2024-11-10 18:07:14,311 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow [2024-11-10 18:07:14,322 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:07:14,330 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;@7954b89b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:07:14,331 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-10 18:07:14,343 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 18:07:14,344 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events. [2024-11-10 18:07:14,344 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:07:14,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:07:14,349 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:07:14,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2024-11-10 18:07:14,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:07:14,356 INFO L85 PathProgramCache]: Analyzing trace with hash 259120396, now seen corresponding path program 1 times [2024-11-10 18:07:14,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:07:14,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750439616] [2024-11-10 18:07:14,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:07:14,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:07:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 18:07:14,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 18:07:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 18:07:14,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 18:07:14,572 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 18:07:14,575 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-10 18:07:14,577 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-10 18:07:14,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-10 18:07:14,579 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-10 18:07:14,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:07:14,581 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 18:07:14,613 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 18:07:14,613 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:07:14,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:07:14 BasicIcfg [2024-11-10 18:07:14,619 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:07:14,620 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:07:14,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:07:14,620 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:07:14,621 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:07:14" (3/4) ... [2024-11-10 18:07:14,623 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 18:07:14,624 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:07:14,625 INFO L158 Benchmark]: Toolchain (without parser) took 1759.64ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 65.8MB in the beginning and 110.7MB in the end (delta: -44.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-10 18:07:14,626 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 138.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:07:14,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.46ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 65.5MB in the beginning and 157.8MB in the end (delta: -92.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-10 18:07:14,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.83ms. Allocated memory is still 201.3MB. Free memory was 157.8MB in the beginning and 155.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:07:14,631 INFO L158 Benchmark]: Boogie Preprocessor took 49.53ms. Allocated memory is still 201.3MB. Free memory was 155.8MB in the beginning and 154.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:07:14,632 INFO L158 Benchmark]: IcfgBuilder took 607.78ms. Allocated memory is still 201.3MB. Free memory was 153.7MB in the beginning and 133.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 18:07:14,633 INFO L158 Benchmark]: TraceAbstraction took 454.51ms. Allocated memory is still 201.3MB. Free memory was 132.7MB in the beginning and 110.7MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 18:07:14,633 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 201.3MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:07:14,635 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 138.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.46ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 65.5MB in the beginning and 157.8MB in the end (delta: -92.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.83ms. Allocated memory is still 201.3MB. Free memory was 157.8MB in the beginning and 155.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.53ms. Allocated memory is still 201.3MB. Free memory was 155.8MB in the beginning and 154.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 607.78ms. Allocated memory is still 201.3MB. Free memory was 153.7MB in the beginning and 133.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 454.51ms. Allocated memory is still 201.3MB. Free memory was 132.7MB in the beginning and 110.7MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 201.3MB. Free memory is still 110.7MB. 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: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id=-1, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND FALSE 1 !(t == 42) [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(t == 1) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [glob1=0, mutex1={3:0}] [L18] 1 __assert_fail ("0", "13-privatized_18-first-reads_unknown_2_pos.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [glob1=0, mutex1={3:0}] - UnprovableResult [Line: 696]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 698]: 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, 37 locations, 4 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: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-10 18:07:14,673 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_18-first-reads_unknown_2_pos.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 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:07:17,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:07:17,257 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-10 18:07:17,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:07:17,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:07:17,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:07:17,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:07:17,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:07:17,301 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:07:17,302 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:07:17,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:07:17,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:07:17,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:07:17,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:07:17,304 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:07:17,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:07:17,307 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:07:17,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:07:17,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:07:17,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:07:17,308 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 18:07:17,309 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 18:07:17,310 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 18:07:17,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:07:17,311 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:07:17,311 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 18:07:17,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:07:17,311 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 18:07:17,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:07:17,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:07:17,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:07:17,312 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:07:17,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:07:17,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:07:17,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:07:17,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:07:17,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:07:17,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:07:17,315 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 18:07:17,315 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 18:07:17,316 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:07:17,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:07:17,316 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:07:17,316 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:07:17,317 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2024-11-10 18:07:17,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:07:17,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:07:17,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:07:17,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:07:17,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:07:17,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2024-11-10 18:07:19,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:07:19,789 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:07:19,789 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2024-11-10 18:07:19,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8d99919/c411737b5fd44803bc7d670f8715c8a6/FLAG842fcbcd0 [2024-11-10 18:07:19,830 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8d99919/c411737b5fd44803bc7d670f8715c8a6 [2024-11-10 18:07:19,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:07:19,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:07:19,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:07:19,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:07:19,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:07:19,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:07:19" (1/1) ... [2024-11-10 18:07:19,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e135b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:19, skipping insertion in model container [2024-11-10 18:07:19,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:07:19" (1/1) ... [2024-11-10 18:07:19,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:07:20,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:07:20,309 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:07:20,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:07:20,415 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:07:20,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20 WrapperNode [2024-11-10 18:07:20,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:07:20,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:07:20,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:07:20,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:07:20,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20" (1/1) ... [2024-11-10 18:07:20,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20" (1/1) ... [2024-11-10 18:07:20,463 INFO L138 Inliner]: procedures = 167, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-10 18:07:20,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:07:20,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:07:20,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:07:20,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:07:20,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20" (1/1) ... [2024-11-10 18:07:20,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20" (1/1) ... [2024-11-10 18:07:20,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20" (1/1) ... [2024-11-10 18:07:20,493 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-11-10 18:07:20,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20" (1/1) ... [2024-11-10 18:07:20,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20" (1/1) ... [2024-11-10 18:07:20,500 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20" (1/1) ... [2024-11-10 18:07:20,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20" (1/1) ... [2024-11-10 18:07:20,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20" (1/1) ... [2024-11-10 18:07:20,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20" (1/1) ... [2024-11-10 18:07:20,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:07:20,513 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:07:20,513 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:07:20,513 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:07:20,514 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20" (1/1) ... [2024-11-10 18:07:20,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:07:20,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:07:20,550 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) [2024-11-10 18:07:20,556 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 [2024-11-10 18:07:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 18:07:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:07:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-10 18:07:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-10 18:07:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 18:07:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-10 18:07:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-10 18:07:20,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-10 18:07:20,604 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 18:07:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:07:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:07:20,608 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 18:07:20,797 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:07:20,800 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:07:21,017 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 18:07:21,018 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:07:21,178 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:07:21,179 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:07:21,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:07:21 BoogieIcfgContainer [2024-11-10 18:07:21,180 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:07:21,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:07:21,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:07:21,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:07:21,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:07:19" (1/3) ... [2024-11-10 18:07:21,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b87379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:07:21, skipping insertion in model container [2024-11-10 18:07:21,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:20" (2/3) ... [2024-11-10 18:07:21,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b87379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:07:21, skipping insertion in model container [2024-11-10 18:07:21,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:07:21" (3/3) ... [2024-11-10 18:07:21,192 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2024-11-10 18:07:21,210 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:07:21,210 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 18:07:21,211 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 18:07:21,258 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 18:07:21,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow [2024-11-10 18:07:21,334 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-11-10 18:07:21,335 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 18:07:21,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 2/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 26 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2024-11-10 18:07:21,337 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow [2024-11-10 18:07:21,342 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow [2024-11-10 18:07:21,376 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:07:21,383 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;@27287b5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:07:21,383 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-10 18:07:21,389 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 18:07:21,390 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events. [2024-11-10 18:07:21,390 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:07:21,390 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:07:21,391 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:07:21,391 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2024-11-10 18:07:21,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:07:21,397 INFO L85 PathProgramCache]: Analyzing trace with hash 259120396, now seen corresponding path program 1 times [2024-11-10 18:07:21,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:07:21,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164807479] [2024-11-10 18:07:21,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:07:21,411 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 18:07:21,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:07:21,414 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 18:07:21,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-10 18:07:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 18:07:21,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 18:07:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 18:07:21,565 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-10 18:07:21,567 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 18:07:21,569 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-10 18:07:21,571 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-10 18:07:21,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-10 18:07:21,573 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-10 18:07:21,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-10 18:07:21,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 18:07:21,775 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-10 18:07:21,803 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 18:07:21,803 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:07:21,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:07:21 BasicIcfg [2024-11-10 18:07:21,808 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:07:21,809 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:07:21,809 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:07:21,809 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:07:21,810 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:07:21" (3/4) ... [2024-11-10 18:07:21,812 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 18:07:21,813 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:07:21,815 INFO L158 Benchmark]: Toolchain (without parser) took 1980.41ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 47.0MB in the beginning and 57.7MB in the end (delta: -10.7MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-11-10 18:07:21,815 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 29.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:07:21,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.03ms. Allocated memory is still 77.6MB. Free memory was 46.7MB in the beginning and 46.9MB in the end (delta: -145.6kB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-10 18:07:21,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.77ms. Allocated memory is still 77.6MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:07:21,817 INFO L158 Benchmark]: Boogie Preprocessor took 47.87ms. Allocated memory is still 77.6MB. Free memory was 44.8MB in the beginning and 42.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:07:21,818 INFO L158 Benchmark]: IcfgBuilder took 667.84ms. Allocated memory is still 77.6MB. Free memory was 42.4MB in the beginning and 40.2MB in the end (delta: 2.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-11-10 18:07:21,820 INFO L158 Benchmark]: TraceAbstraction took 625.00ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 58.6MB in the end (delta: -19.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:07:21,820 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 94.4MB. Free memory was 58.3MB in the beginning and 57.7MB in the end (delta: 569.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:07:21,823 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 29.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.03ms. Allocated memory is still 77.6MB. Free memory was 46.7MB in the beginning and 46.9MB in the end (delta: -145.6kB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.77ms. Allocated memory is still 77.6MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.87ms. Allocated memory is still 77.6MB. Free memory was 44.8MB in the beginning and 42.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 667.84ms. Allocated memory is still 77.6MB. Free memory was 42.4MB in the beginning and 40.2MB in the end (delta: 2.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * TraceAbstraction took 625.00ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 58.6MB in the end (delta: -19.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 94.4MB. Free memory was 58.3MB in the beginning and 57.7MB in the end (delta: 569.7kB). Peak memory consumption was 2.1MB. 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: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id=-1, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND FALSE 1 !(t == 42) [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(t == 1) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [glob1=0, mutex1={3:0}] [L18] 1 __assert_fail ("0", "13-privatized_18-first-reads_unknown_2_pos.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [glob1=0, mutex1={3:0}] - UnprovableResult [Line: 696]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 698]: 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, 37 locations, 4 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=52occurred 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-10 18:07:21,866 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