./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 c7c6ca5d 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-?-c7c6ca5-m [2024-11-09 10:40:53,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 10:40:53,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-09 10:40:53,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 10:40:53,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 10:40:53,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 10:40:53,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 10:40:53,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 10:40:53,637 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 10:40:53,639 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 10:40:53,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 10:40:53,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 10:40:53,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 10:40:53,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 10:40:53,641 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 10:40:53,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 10:40:53,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 10:40:53,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 10:40:53,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 10:40:53,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 10:40:53,646 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 10:40:53,647 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 10:40:53,647 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 10:40:53,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 10:40:53,647 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 10:40:53,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 10:40:53,651 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 10:40:53,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 10:40:53,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 10:40:53,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 10:40:53,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 10:40:53,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 10:40:53,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 10:40:53,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:40:53,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 10:40:53,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 10:40:53,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 10:40:53,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 10:40:53,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 10:40:53,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 10:40:53,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 10:40:53,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 10:40:53,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2024-11-09 10:40:53,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 10:40:53,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 10:40:53,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 10:40:53,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 10:40:53,922 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 10:40:53,924 INFO L431 ainManager$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 [2024-11-09 10:40:55,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 10:40:55,744 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 10:40:55,745 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2024-11-09 10:40:55,758 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a48aa2260/cce88e0a73774a9d9e42cc3436f3afa5/FLAG64df55fd1 [2024-11-09 10:40:56,022 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a48aa2260/cce88e0a73774a9d9e42cc3436f3afa5 [2024-11-09 10:40:56,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 10:40:56,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 10:40:56,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 10:40:56,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 10:40:56,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 10:40:56,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a1148f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56, skipping insertion in model container [2024-11-09 10:40:56,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 10:40:56,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:40:56,406 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 10:40:56,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:40:56,501 INFO L204 MainTranslator]: Completed translation [2024-11-09 10:40:56,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56 WrapperNode [2024-11-09 10:40:56,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 10:40:56,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 10:40:56,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 10:40:56,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 10:40:56,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,540 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-09 10:40:56,541 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 10:40:56,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 10:40:56,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 10:40:56,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 10:40:56,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,557 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,570 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]. [2024-11-09 10:40:56,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 10:40:56,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 10:40:56,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 10:40:56,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 10:40:56,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56" (1/1) ... [2024-11-09 10:40:56,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:40:56,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 10:40:56,617 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) [2024-11-09 10:40:56,621 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 [2024-11-09 10:40:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 10:40:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 10:40:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 10:40:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 10:40:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 10:40:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 10:40:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 10:40:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 10:40:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 10:40:56,670 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 10:40:56,811 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 10:40:56,813 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 10:40:56,974 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 10:40:56,977 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 10:40:57,079 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 10:40:57,080 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 10:40:57,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:40:57 BoogieIcfgContainer [2024-11-09 10:40:57,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 10:40:57,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 10:40:57,086 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 10:40:57,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 10:40:57,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:40:56" (1/3) ... [2024-11-09 10:40:57,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a132ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:40:57, skipping insertion in model container [2024-11-09 10:40:57,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:40:56" (2/3) ... [2024-11-09 10:40:57,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a132ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:40:57, skipping insertion in model container [2024-11-09 10:40:57,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:40:57" (3/3) ... [2024-11-09 10:40:57,097 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2024-11-09 10:40:57,115 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 10:40:57,115 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 10:40:57,116 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 10:40:57,154 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 10:40:57,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow [2024-11-09 10:40:57,216 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-11-09 10:40:57,216 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 10:40:57,219 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 25 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. [2024-11-09 10:40:57,219 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow [2024-11-09 10:40:57,222 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow [2024-11-09 10:40:57,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 10:40:57,237 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;@672467dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 10:40:57,237 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 10:40:57,246 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 10:40:57,246 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events. [2024-11-09 10:40:57,246 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:40:57,247 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:40:57,248 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:40:57,249 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)] === [2024-11-09 10:40:57,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:40:57,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times [2024-11-09 10:40:57,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:40:57,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313102705] [2024-11-09 10:40:57,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:40:57,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:40:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 10:40:57,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 10:40:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 10:40:57,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 10:40:57,465 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 10:40:57,467 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-09 10:40:57,470 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-09 10:40:57,470 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-09 10:40:57,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-09 10:40:57,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 10:40:57,472 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 10:40:57,504 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 10:40:57,505 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 10:40:57,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 10:40:57 BasicIcfg [2024-11-09 10:40:57,512 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 10:40:57,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 10:40:57,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 10:40:57,515 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 10:40:57,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:40:57" (3/4) ... [2024-11-09 10:40:57,518 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 10:40:57,519 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 10:40:57,520 INFO L158 Benchmark]: Toolchain (without parser) took 1494.90ms. Allocated memory is still 138.4MB. Free memory was 105.7MB in the beginning and 104.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-11-09 10:40:57,520 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 10:40:57,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.18ms. Allocated memory is still 138.4MB. Free memory was 105.7MB in the beginning and 83.9MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 10:40:57,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.83ms. Allocated memory is still 138.4MB. Free memory was 83.9MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 10:40:57,523 INFO L158 Benchmark]: Boogie Preprocessor took 38.28ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 80.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 10:40:57,523 INFO L158 Benchmark]: RCFGBuilder took 500.05ms. Allocated memory is still 138.4MB. Free memory was 80.2MB in the beginning and 59.6MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 10:40:57,524 INFO L158 Benchmark]: TraceAbstraction took 426.76ms. Allocated memory is still 138.4MB. Free memory was 58.8MB in the beginning and 105.3MB in the end (delta: -46.5MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-11-09 10:40:57,525 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 138.4MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 10:40:57,529 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.18ms. Allocated memory is still 138.4MB. Free memory was 105.7MB in the beginning and 83.9MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.83ms. Allocated memory is still 138.4MB. Free memory was 83.9MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.28ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 80.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 500.05ms. Allocated memory is still 138.4MB. Free memory was 80.2MB in the beginning and 59.6MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 426.76ms. Allocated memory is still 138.4MB. Free memory was 58.8MB in the beginning and 105.3MB in the end (delta: -46.5MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 138.4MB. Free memory is still 104.7MB. 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 [2024-11-09 10:40:57,557 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-?-c7c6ca5-m [2024-11-09 10:40:59,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 10:40:59,873 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-09 10:40:59,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 10:40:59,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 10:40:59,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 10:40:59,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 10:40:59,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 10:40:59,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 10:40:59,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 10:40:59,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 10:40:59,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 10:40:59,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 10:40:59,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 10:40:59,937 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 10:40:59,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 10:40:59,938 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 10:40:59,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 10:40:59,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 10:40:59,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 10:40:59,943 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 10:40:59,944 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 10:40:59,944 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 10:40:59,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 10:40:59,944 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 10:40:59,945 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 10:40:59,945 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 10:40:59,945 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 10:40:59,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 10:40:59,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 10:40:59,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 10:40:59,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 10:40:59,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 10:40:59,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 10:40:59,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 10:40:59,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:40:59,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 10:40:59,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 10:40:59,948 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 10:40:59,948 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 10:40:59,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 10:40:59,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 10:40:59,950 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 10:40:59,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 10:40:59,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2024-11-09 10:41:00,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 10:41:00,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 10:41:00,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 10:41:00,305 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 10:41:00,305 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 10:41:00,306 INFO L431 ainManager$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 [2024-11-09 10:41:01,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 10:41:02,011 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 10:41:02,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2024-11-09 10:41:02,028 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120e6b97c/0172cd8ebe5d4d3f86eba3bf8ea0ecc5/FLAGe62307e7e [2024-11-09 10:41:02,334 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120e6b97c/0172cd8ebe5d4d3f86eba3bf8ea0ecc5 [2024-11-09 10:41:02,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 10:41:02,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 10:41:02,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 10:41:02,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 10:41:02,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 10:41:02,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:02,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7223fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02, skipping insertion in model container [2024-11-09 10:41:02,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:02,403 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 10:41:02,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:41:02,796 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 10:41:02,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:41:02,918 INFO L204 MainTranslator]: Completed translation [2024-11-09 10:41:02,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02 WrapperNode [2024-11-09 10:41:02,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 10:41:02,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 10:41:02,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 10:41:02,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 10:41:02,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:02,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:02,967 INFO L138 Inliner]: procedures = 167, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-09 10:41:02,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 10:41:02,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 10:41:02,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 10:41:02,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 10:41:02,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:02,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:02,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:03,003 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]. [2024-11-09 10:41:03,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:03,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:03,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:03,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:03,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:03,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:03,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 10:41:03,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 10:41:03,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 10:41:03,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 10:41:03,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02" (1/1) ... [2024-11-09 10:41:03,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:41:03,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 10:41:03,053 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) [2024-11-09 10:41:03,058 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 [2024-11-09 10:41:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 10:41:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 10:41:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 10:41:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 10:41:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 10:41:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-09 10:41:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-09 10:41:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-09 10:41:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 10:41:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 10:41:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 10:41:03,111 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 10:41:03,291 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 10:41:03,294 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 10:41:03,488 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 10:41:03,488 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 10:41:03,655 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 10:41:03,656 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 10:41:03,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:41:03 BoogieIcfgContainer [2024-11-09 10:41:03,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 10:41:03,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 10:41:03,659 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 10:41:03,663 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 10:41:03,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:41:02" (1/3) ... [2024-11-09 10:41:03,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2234d5e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:41:03, skipping insertion in model container [2024-11-09 10:41:03,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:41:02" (2/3) ... [2024-11-09 10:41:03,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2234d5e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:41:03, skipping insertion in model container [2024-11-09 10:41:03,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:41:03" (3/3) ... [2024-11-09 10:41:03,668 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2024-11-09 10:41:03,686 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 10:41:03,686 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 10:41:03,686 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 10:41:03,745 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 10:41:03,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow [2024-11-09 10:41:03,818 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-11-09 10:41:03,818 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 10:41:03,821 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 25 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. [2024-11-09 10:41:03,821 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow [2024-11-09 10:41:03,827 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow [2024-11-09 10:41:03,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 10:41:03,844 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;@29bf3439, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 10:41:03,845 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 10:41:03,852 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 10:41:03,853 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events. [2024-11-09 10:41:03,853 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:41:03,853 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:41:03,854 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:41:03,855 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)] === [2024-11-09 10:41:03,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:41:03,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times [2024-11-09 10:41:03,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 10:41:03,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737320120] [2024-11-09 10:41:03,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:41:03,879 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 [2024-11-09 10:41:03,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 10:41:03,883 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) [2024-11-09 10:41:03,884 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 [2024-11-09 10:41:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 10:41:03,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 10:41:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 10:41:03,995 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-09 10:41:03,997 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 10:41:03,998 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-09 10:41:04,000 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-09 10:41:04,000 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-09 10:41:04,001 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining) [2024-11-09 10:41:04,005 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 [2024-11-09 10:41:04,204 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 [2024-11-09 10:41:04,205 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 10:41:04,234 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 10:41:04,234 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 10:41:04,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 10:41:04 BasicIcfg [2024-11-09 10:41:04,240 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 10:41:04,241 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 10:41:04,242 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 10:41:04,242 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 10:41:04,242 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:41:03" (3/4) ... [2024-11-09 10:41:04,244 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 10:41:04,245 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 10:41:04,247 INFO L158 Benchmark]: Toolchain (without parser) took 1908.94ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 28.5MB in the beginning and 38.7MB in the end (delta: -10.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-09 10:41:04,247 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 10:41:04,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.35ms. Allocated memory is still 62.9MB. Free memory was 28.3MB in the beginning and 35.2MB in the end (delta: -6.9MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-11-09 10:41:04,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.79ms. Allocated memory is still 62.9MB. Free memory was 35.2MB in the beginning and 33.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 10:41:04,250 INFO L158 Benchmark]: Boogie Preprocessor took 48.07ms. Allocated memory is still 62.9MB. Free memory was 33.3MB in the beginning and 31.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 10:41:04,251 INFO L158 Benchmark]: RCFGBuilder took 639.89ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 31.0MB in the beginning and 36.9MB in the end (delta: -6.0MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-09 10:41:04,252 INFO L158 Benchmark]: TraceAbstraction took 581.36ms. Allocated memory is still 81.8MB. Free memory was 36.5MB in the beginning and 38.7MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 10:41:04,252 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 81.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 10:41:04,256 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.35ms. Allocated memory is still 62.9MB. Free memory was 28.3MB in the beginning and 35.2MB in the end (delta: -6.9MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.79ms. Allocated memory is still 62.9MB. Free memory was 35.2MB in the beginning and 33.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.07ms. Allocated memory is still 62.9MB. Free memory was 33.3MB in the beginning and 31.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.89ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 31.0MB in the beginning and 36.9MB in the end (delta: -6.0MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * TraceAbstraction took 581.36ms. Allocated memory is still 81.8MB. Free memory was 36.5MB in the beginning and 38.7MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 81.8MB. Free memory is still 38.7MB. 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=0, 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: 0.4s, 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 [2024-11-09 10:41:04,288 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