./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.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 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:30:33,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:30:33,819 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-13 12:30:33,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:30:33,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:30:33,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:30:33,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:30:33,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:30:33,866 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:30:33,868 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:30:33,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:30:33,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:30:33,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:30:33,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:30:33,870 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:30:33,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:30:33,870 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:30:33,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:30:33,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:30:33,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:30:33,871 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-13 12:30:33,873 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-13 12:30:33,873 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-13 12:30:33,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:30:33,874 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 12:30:33,875 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:30:33,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:30:33,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:30:33,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:30:33,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:30:33,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:30:33,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:30:33,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:30:33,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:30:33,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:30:33,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:30:33,878 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:30:33,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:30:33,883 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:30:33,883 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:30:33,884 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:30:33,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:30:33,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 [2024-10-13 12:30:34,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:30:34,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:30:34,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:30:34,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:30:34,208 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:30:34,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-10-13 12:30:35,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:30:36,075 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:30:36,076 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-10-13 12:30:36,107 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee3af32f/c25b04471d3a4d8ea02f74f9a37fa395/FLAG2512ef562 [2024-10-13 12:30:36,330 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee3af32f/c25b04471d3a4d8ea02f74f9a37fa395 [2024-10-13 12:30:36,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:30:36,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:30:36,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:30:36,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:30:36,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:30:36,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:30:36" (1/1) ... [2024-10-13 12:30:36,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e7727b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:36, skipping insertion in model container [2024-10-13 12:30:36,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:30:36" (1/1) ... [2024-10-13 12:30:36,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:30:36,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:30:36,983 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:30:37,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:30:37,186 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:30:37,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37 WrapperNode [2024-10-13 12:30:37,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:30:37,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:30:37,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:30:37,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:30:37,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37" (1/1) ... [2024-10-13 12:30:37,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37" (1/1) ... [2024-10-13 12:30:37,365 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-10-13 12:30:37,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:30:37,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:30:37,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:30:37,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:30:37,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37" (1/1) ... [2024-10-13 12:30:37,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37" (1/1) ... [2024-10-13 12:30:37,389 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37" (1/1) ... [2024-10-13 12:30:37,419 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]. [2024-10-13 12:30:37,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37" (1/1) ... [2024-10-13 12:30:37,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37" (1/1) ... [2024-10-13 12:30:37,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37" (1/1) ... [2024-10-13 12:30:37,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37" (1/1) ... [2024-10-13 12:30:37,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37" (1/1) ... [2024-10-13 12:30:37,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37" (1/1) ... [2024-10-13 12:30:37,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:30:37,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:30:37,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:30:37,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:30:37,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37" (1/1) ... [2024-10-13 12:30:37,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:30:37,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:30:37,516 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) [2024-10-13 12:30:37,520 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 [2024-10-13 12:30:37,571 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-10-13 12:30:37,572 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-10-13 12:30:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-10-13 12:30:37,572 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-10-13 12:30:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-13 12:30:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-13 12:30:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:30:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 12:30:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 12:30:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:30:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:30:37,576 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 12:30:37,883 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:30:37,885 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:30:38,100 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 12:30:38,101 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:30:38,228 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:30:38,229 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 12:30:38,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:38 BoogieIcfgContainer [2024-10-13 12:30:38,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:30:38,231 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:30:38,231 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:30:38,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:30:38,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:30:36" (1/3) ... [2024-10-13 12:30:38,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd0443a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:30:38, skipping insertion in model container [2024-10-13 12:30:38,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:37" (2/3) ... [2024-10-13 12:30:38,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd0443a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:30:38, skipping insertion in model container [2024-10-13 12:30:38,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:38" (3/3) ... [2024-10-13 12:30:38,242 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2024-10-13 12:30:38,260 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:30:38,261 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 12:30:38,261 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 12:30:38,308 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-13 12:30:38,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 33 transitions, 80 flow [2024-10-13 12:30:38,378 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2024-10-13 12:30:38,378 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 12:30:38,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 31 events. 2/31 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 30 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-10-13 12:30:38,383 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 33 transitions, 80 flow [2024-10-13 12:30:38,387 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 30 transitions, 72 flow [2024-10-13 12:30:38,401 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:30:38,409 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;@6fa1ddd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:30:38,410 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-13 12:30:38,420 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 12:30:38,421 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-10-13 12:30:38,421 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 12:30:38,421 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:30:38,422 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:30:38,422 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-13 12:30:38,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:30:38,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1261375787, now seen corresponding path program 1 times [2024-10-13 12:30:38,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:30:38,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941301563] [2024-10-13 12:30:38,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:30:38,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:30:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:30:39,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:30:39,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:30:39,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941301563] [2024-10-13 12:30:39,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941301563] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:30:39,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:30:39,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 12:30:39,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357776515] [2024-10-13 12:30:39,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:30:39,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:30:39,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:30:39,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:30:39,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:30:39,088 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 33 [2024-10-13 12:30:39,091 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:30:39,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:30:39,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 33 [2024-10-13 12:30:39,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:30:39,388 INFO L124 PetriNetUnfolderBase]: 192/378 cut-off events. [2024-10-13 12:30:39,388 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-10-13 12:30:39,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 771 conditions, 378 events. 192/378 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1544 event pairs, 91 based on Foata normal form. 12/382 useless extension candidates. Maximal degree in co-relation 733. Up to 207 conditions per place. [2024-10-13 12:30:39,398 INFO L140 encePairwiseOnDemand]: 25/33 looper letters, 37 selfloop transitions, 7 changer transitions 0/50 dead transitions. [2024-10-13 12:30:39,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 50 transitions, 206 flow [2024-10-13 12:30:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:30:39,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 12:30:39,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 88 transitions. [2024-10-13 12:30:39,413 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2024-10-13 12:30:39,416 INFO L175 Difference]: Start difference. First operand has 35 places, 30 transitions, 72 flow. Second operand 5 states and 88 transitions. [2024-10-13 12:30:39,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 50 transitions, 206 flow [2024-10-13 12:30:39,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 50 transitions, 194 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-13 12:30:39,427 INFO L231 Difference]: Finished difference. Result has 38 places, 32 transitions, 106 flow [2024-10-13 12:30:39,430 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=106, PETRI_PLACES=38, PETRI_TRANSITIONS=32} [2024-10-13 12:30:39,434 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 3 predicate places. [2024-10-13 12:30:39,436 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 106 flow [2024-10-13 12:30:39,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:30:39,437 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:30:39,437 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:30:39,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 12:30:39,439 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-13 12:30:39,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:30:39,439 INFO L85 PathProgramCache]: Analyzing trace with hash -258921597, now seen corresponding path program 1 times [2024-10-13 12:30:39,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:30:39,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661294022] [2024-10-13 12:30:39,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:30:39,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:30:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:30:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:30:39,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:30:39,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661294022] [2024-10-13 12:30:39,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661294022] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:30:39,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:30:39,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 12:30:39,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226648654] [2024-10-13 12:30:39,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:30:39,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:30:39,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:30:39,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:30:39,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:30:39,728 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 33 [2024-10-13 12:30:39,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 106 flow. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:30:39,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:30:39,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 33 [2024-10-13 12:30:39,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:30:39,963 INFO L124 PetriNetUnfolderBase]: 107/243 cut-off events. [2024-10-13 12:30:39,964 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-10-13 12:30:39,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 585 conditions, 243 events. 107/243 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 875 event pairs, 24 based on Foata normal form. 20/261 useless extension candidates. Maximal degree in co-relation 507. Up to 87 conditions per place. [2024-10-13 12:30:39,967 INFO L140 encePairwiseOnDemand]: 22/33 looper letters, 33 selfloop transitions, 14 changer transitions 0/53 dead transitions. [2024-10-13 12:30:39,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 53 transitions, 243 flow [2024-10-13 12:30:39,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:30:39,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-13 12:30:39,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 109 transitions. [2024-10-13 12:30:39,970 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47186147186147187 [2024-10-13 12:30:39,970 INFO L175 Difference]: Start difference. First operand has 38 places, 32 transitions, 106 flow. Second operand 7 states and 109 transitions. [2024-10-13 12:30:39,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 53 transitions, 243 flow [2024-10-13 12:30:39,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 53 transitions, 239 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-10-13 12:30:39,975 INFO L231 Difference]: Finished difference. Result has 43 places, 33 transitions, 128 flow [2024-10-13 12:30:39,975 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=128, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2024-10-13 12:30:39,976 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 8 predicate places. [2024-10-13 12:30:39,976 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 128 flow [2024-10-13 12:30:39,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:30:39,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:30:39,977 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:30:39,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 12:30:39,977 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-13 12:30:39,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:30:39,978 INFO L85 PathProgramCache]: Analyzing trace with hash 72810583, now seen corresponding path program 1 times [2024-10-13 12:30:39,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:30:39,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319301317] [2024-10-13 12:30:39,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:30:39,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:30:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 12:30:40,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 12:30:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 12:30:40,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 12:30:40,086 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 12:30:40,088 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-10-13 12:30:40,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-10-13 12:30:40,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-10-13 12:30:40,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-10-13 12:30:40,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 5 remaining) [2024-10-13 12:30:40,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 12:30:40,093 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-13 12:30:40,147 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 12:30:40,147 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:30:40,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:30:40 BasicIcfg [2024-10-13 12:30:40,158 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:30:40,159 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:30:40,159 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:30:40,159 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:30:40,160 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:38" (3/4) ... [2024-10-13 12:30:40,161 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 12:30:40,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:30:40,163 INFO L158 Benchmark]: Toolchain (without parser) took 3829.91ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 112.2MB in the beginning and 98.1MB in the end (delta: 14.2MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2024-10-13 12:30:40,164 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:30:40,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 857.76ms. Allocated memory is still 146.8MB. Free memory was 111.6MB in the beginning and 112.8MB in the end (delta: -1.1MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-10-13 12:30:40,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.76ms. Allocated memory is still 146.8MB. Free memory was 112.8MB in the beginning and 109.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:30:40,166 INFO L158 Benchmark]: Boogie Preprocessor took 90.63ms. Allocated memory is still 146.8MB. Free memory was 109.8MB in the beginning and 106.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:30:40,167 INFO L158 Benchmark]: RCFGBuilder took 768.09ms. Allocated memory is still 146.8MB. Free memory was 106.5MB in the beginning and 76.2MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-13 12:30:40,169 INFO L158 Benchmark]: TraceAbstraction took 1927.03ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 75.0MB in the beginning and 98.1MB in the end (delta: -23.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-10-13 12:30:40,169 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 184.5MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:30:40,173 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 121.6MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 857.76ms. Allocated memory is still 146.8MB. Free memory was 111.6MB in the beginning and 112.8MB in the end (delta: -1.1MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.76ms. Allocated memory is still 146.8MB. Free memory was 112.8MB in the beginning and 109.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.63ms. Allocated memory is still 146.8MB. Free memory was 109.8MB in the beginning and 106.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 768.09ms. Allocated memory is still 146.8MB. Free memory was 106.5MB in the beginning and 76.2MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1927.03ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 75.0MB in the beginning and 98.1MB in the end (delta: -23.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 184.5MB. Free memory is still 98.1MB. 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: [L1351] 0 int g; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; [L1373] 0 pthread_t t1; [L1374] 0 pthread_t t2; [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1152, \old(argv)={1150:1151}, argc=1152, g=0, mut={3:0}, t1=-1] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1152, \old(argv)={1150:1151}, \old(ptr)={0:0}, argc=1152, g=0, mut={3:0}, t1=-1, t2=0] [L1356] 1 g = 1 VAL [\old(ptr)={0:0}, \old(ptr)={0:0}, g=1, mut={3:0}, ptr={0:0}] [L1366] 2 g = 0 VAL [\old(ptr)={0:0}, g=0, mut={3:0}, ptr={0:0}] [L1358] CALL 1 __VERIFIER_assert(g == 1) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [\old(ptr)={0:0}, g=0, mut={3:0}, ptr={0:0}] [L18] 1 __assert_fail ("0", "13-privatized_67-pthread_cond_wait_true.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(ptr)={0:0}, g=0, mut={3:0}, ptr={0:0}] - UnprovableResult [Line: 1371]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1375]: 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. - UnprovableResult [Line: 1377]: 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 5 procedures, 55 locations, 5 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: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 0 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=2, InterpolantAutomatonStates: 12, 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, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2024-10-13 12:30:40,209 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/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.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 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:30:42,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:30:42,670 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-10-13 12:30:42,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:30:42,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:30:42,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:30:42,715 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:30:42,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:30:42,717 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:30:42,719 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:30:42,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:30:42,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:30:42,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:30:42,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:30:42,721 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:30:42,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:30:42,722 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:30:42,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:30:42,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:30:42,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:30:42,723 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-13 12:30:42,727 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-13 12:30:42,728 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-13 12:30:42,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:30:42,728 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 12:30:42,729 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 12:30:42,729 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:30:42,729 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 12:30:42,729 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:30:42,730 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:30:42,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:30:42,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:30:42,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:30:42,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:30:42,732 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:30:42,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:30:42,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:30:42,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:30:42,733 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 12:30:42,733 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 12:30:42,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:30:42,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:30:42,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:30:42,734 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:30:42,735 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 12:30:42,735 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 [2024-10-13 12:30:43,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:30:43,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:30:43,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:30:43,095 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:30:43,096 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:30:43,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-10-13 12:30:44,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:30:45,182 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:30:45,183 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-10-13 12:30:45,211 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8da32dc2/6ee177286f94475e8dd6165563f8b2bc/FLAG6668c7379 [2024-10-13 12:30:45,231 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8da32dc2/6ee177286f94475e8dd6165563f8b2bc [2024-10-13 12:30:45,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:30:45,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:30:45,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:30:45,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:30:45,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:30:45,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:30:45" (1/1) ... [2024-10-13 12:30:45,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9c853d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:45, skipping insertion in model container [2024-10-13 12:30:45,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:30:45" (1/1) ... [2024-10-13 12:30:45,341 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:30:45,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:30:45,965 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:30:46,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:30:46,164 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:30:46,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46 WrapperNode [2024-10-13 12:30:46,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:30:46,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:30:46,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:30:46,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:30:46,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46" (1/1) ... [2024-10-13 12:30:46,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46" (1/1) ... [2024-10-13 12:30:46,239 INFO L138 Inliner]: procedures = 358, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-10-13 12:30:46,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:30:46,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:30:46,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:30:46,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:30:46,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46" (1/1) ... [2024-10-13 12:30:46,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46" (1/1) ... [2024-10-13 12:30:46,262 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46" (1/1) ... [2024-10-13 12:30:46,294 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]. [2024-10-13 12:30:46,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46" (1/1) ... [2024-10-13 12:30:46,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46" (1/1) ... [2024-10-13 12:30:46,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46" (1/1) ... [2024-10-13 12:30:46,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46" (1/1) ... [2024-10-13 12:30:46,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46" (1/1) ... [2024-10-13 12:30:46,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46" (1/1) ... [2024-10-13 12:30:46,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:30:46,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:30:46,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:30:46,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:30:46,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46" (1/1) ... [2024-10-13 12:30:46,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:30:46,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:30:46,397 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) [2024-10-13 12:30:46,401 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 [2024-10-13 12:30:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-10-13 12:30:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-10-13 12:30:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-10-13 12:30:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-10-13 12:30:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-13 12:30:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-13 12:30:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-10-13 12:30:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-10-13 12:30:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-13 12:30:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-13 12:30:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:30:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:30:46,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:30:46,454 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 12:30:46,855 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:30:46,859 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:30:47,091 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 12:30:47,091 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:30:47,280 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:30:47,280 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 12:30:47,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:47 BoogieIcfgContainer [2024-10-13 12:30:47,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:30:47,283 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:30:47,283 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:30:47,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:30:47,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:30:45" (1/3) ... [2024-10-13 12:30:47,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cea5f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:30:47, skipping insertion in model container [2024-10-13 12:30:47,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:46" (2/3) ... [2024-10-13 12:30:47,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cea5f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:30:47, skipping insertion in model container [2024-10-13 12:30:47,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:47" (3/3) ... [2024-10-13 12:30:47,291 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2024-10-13 12:30:47,311 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:30:47,311 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 12:30:47,312 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 12:30:47,360 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-13 12:30:47,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 33 transitions, 80 flow [2024-10-13 12:30:47,434 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2024-10-13 12:30:47,434 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 12:30:47,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 31 events. 2/31 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 30 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-10-13 12:30:47,440 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 33 transitions, 80 flow [2024-10-13 12:30:47,444 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 30 transitions, 72 flow [2024-10-13 12:30:47,461 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:30:47,471 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;@5bbf1c9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:30:47,471 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-13 12:30:47,482 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 12:30:47,482 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-10-13 12:30:47,482 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 12:30:47,482 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:30:47,484 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:30:47,485 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-13 12:30:47,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:30:47,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1020667923, now seen corresponding path program 1 times [2024-10-13 12:30:47,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 12:30:47,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492998308] [2024-10-13 12:30:47,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:30:47,508 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 [2024-10-13 12:30:47,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 12:30:47,511 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) [2024-10-13 12:30:47,513 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 [2024-10-13 12:30:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:30:47,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:30:47,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:30:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:30:47,788 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:30:47,789 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 12:30:47,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492998308] [2024-10-13 12:30:47,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492998308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:30:47,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:30:47,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 12:30:47,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390000299] [2024-10-13 12:30:47,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:30:47,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:30:47,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 12:30:47,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:30:47,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:30:47,850 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 33 [2024-10-13 12:30:47,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:30:47,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:30:47,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 33 [2024-10-13 12:30:47,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:30:48,111 INFO L124 PetriNetUnfolderBase]: 170/356 cut-off events. [2024-10-13 12:30:48,111 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-13 12:30:48,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 707 conditions, 356 events. 170/356 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1533 event pairs, 91 based on Foata normal form. 30/384 useless extension candidates. Maximal degree in co-relation 669. Up to 213 conditions per place. [2024-10-13 12:30:48,118 INFO L140 encePairwiseOnDemand]: 26/33 looper letters, 36 selfloop transitions, 6 changer transitions 0/49 dead transitions. [2024-10-13 12:30:48,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 49 transitions, 200 flow [2024-10-13 12:30:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 12:30:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 12:30:48,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 91 transitions. [2024-10-13 12:30:48,131 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5515151515151515 [2024-10-13 12:30:48,133 INFO L175 Difference]: Start difference. First operand has 35 places, 30 transitions, 72 flow. Second operand 5 states and 91 transitions. [2024-10-13 12:30:48,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 49 transitions, 200 flow [2024-10-13 12:30:48,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 49 transitions, 188 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-13 12:30:48,140 INFO L231 Difference]: Finished difference. Result has 37 places, 32 transitions, 98 flow [2024-10-13 12:30:48,142 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=98, PETRI_PLACES=37, PETRI_TRANSITIONS=32} [2024-10-13 12:30:48,146 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 2 predicate places. [2024-10-13 12:30:48,146 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 98 flow [2024-10-13 12:30:48,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:30:48,147 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:30:48,147 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:30:48,154 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 [2024-10-13 12:30:48,348 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 [2024-10-13 12:30:48,349 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-13 12:30:48,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:30:48,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1886687869, now seen corresponding path program 1 times [2024-10-13 12:30:48,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 12:30:48,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058062277] [2024-10-13 12:30:48,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:30:48,351 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 [2024-10-13 12:30:48,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 12:30:48,353 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-10-13 12:30:48,354 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 (3)] Waiting until timeout for monitored process [2024-10-13 12:30:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:30:48,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 12:30:48,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:30:48,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-10-13 12:30:48,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:30:48,642 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:30:48,643 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 12:30:48,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058062277] [2024-10-13 12:30:48,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2058062277] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:30:48,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:30:48,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:30:48,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404110898] [2024-10-13 12:30:48,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:30:48,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:30:48,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 12:30:48,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:30:48,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:30:48,650 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 33 [2024-10-13 12:30:48,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:30:48,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:30:48,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 33 [2024-10-13 12:30:48,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 12:30:48,874 INFO L124 PetriNetUnfolderBase]: 96/232 cut-off events. [2024-10-13 12:30:48,874 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-10-13 12:30:48,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 232 events. 96/232 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 857 event pairs, 31 based on Foata normal form. 18/248 useless extension candidates. Maximal degree in co-relation 484. Up to 135 conditions per place. [2024-10-13 12:30:48,879 INFO L140 encePairwiseOnDemand]: 27/33 looper letters, 23 selfloop transitions, 6 changer transitions 0/36 dead transitions. [2024-10-13 12:30:48,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 36 transitions, 159 flow [2024-10-13 12:30:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:30:48,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 12:30:48,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2024-10-13 12:30:48,883 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5656565656565656 [2024-10-13 12:30:48,884 INFO L175 Difference]: Start difference. First operand has 37 places, 32 transitions, 98 flow. Second operand 3 states and 56 transitions. [2024-10-13 12:30:48,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 36 transitions, 159 flow [2024-10-13 12:30:48,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 36 transitions, 157 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-10-13 12:30:48,889 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 97 flow [2024-10-13 12:30:48,890 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2024-10-13 12:30:48,891 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 2 predicate places. [2024-10-13 12:30:48,893 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 97 flow [2024-10-13 12:30:48,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:30:48,893 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:30:48,893 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:30:48,904 INFO L540 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 (3)] Forceful destruction successful, exit code 0 [2024-10-13 12:30:49,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-10-13 12:30:49,095 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-13 12:30:49,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:30:49,096 INFO L85 PathProgramCache]: Analyzing trace with hash -949174823, now seen corresponding path program 1 times [2024-10-13 12:30:49,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 12:30:49,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693427602] [2024-10-13 12:30:49,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:30:49,098 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 [2024-10-13 12:30:49,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 12:30:49,100 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-10-13 12:30:49,101 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 (4)] Waiting until timeout for monitored process [2024-10-13 12:30:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 12:30:49,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 12:30:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 12:30:49,357 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-13 12:30:49,357 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 12:30:49,358 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-10-13 12:30:49,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-10-13 12:30:49,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-10-13 12:30:49,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-10-13 12:30:49,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 5 remaining) [2024-10-13 12:30:49,374 INFO L540 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 (4)] Forceful destruction successful, exit code 0 [2024-10-13 12:30:49,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-10-13 12:30:49,570 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-13 12:30:49,623 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 12:30:49,624 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:30:49,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:30:49 BasicIcfg [2024-10-13 12:30:49,630 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:30:49,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:30:49,631 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:30:49,631 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:30:49,632 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:47" (3/4) ... [2024-10-13 12:30:49,634 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 12:30:49,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:30:49,636 INFO L158 Benchmark]: Toolchain (without parser) took 4398.68ms. Allocated memory was 67.1MB in the beginning and 123.7MB in the end (delta: 56.6MB). Free memory was 32.5MB in the beginning and 60.2MB in the end (delta: -27.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-10-13 12:30:49,637 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 46.1MB. Free memory was 24.8MB in the beginning and 24.7MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:30:49,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 924.97ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 32.3MB in the beginning and 63.8MB in the end (delta: -31.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-10-13 12:30:49,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.76ms. Allocated memory is still 92.3MB. Free memory was 63.8MB in the beginning and 60.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:30:49,638 INFO L158 Benchmark]: Boogie Preprocessor took 112.49ms. Allocated memory is still 92.3MB. Free memory was 60.8MB in the beginning and 57.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:30:49,638 INFO L158 Benchmark]: RCFGBuilder took 927.19ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 62.5MB in the end (delta: -5.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-10-13 12:30:49,639 INFO L158 Benchmark]: TraceAbstraction took 2346.60ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 61.5MB in the beginning and 60.8MB in the end (delta: 713.5kB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-10-13 12:30:49,639 INFO L158 Benchmark]: Witness Printer took 4.99ms. Allocated memory is still 123.7MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:30:49,641 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 46.1MB. Free memory was 24.8MB in the beginning and 24.7MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 924.97ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 32.3MB in the beginning and 63.8MB in the end (delta: -31.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.76ms. Allocated memory is still 92.3MB. Free memory was 63.8MB in the beginning and 60.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.49ms. Allocated memory is still 92.3MB. Free memory was 60.8MB in the beginning and 57.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 927.19ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 62.5MB in the end (delta: -5.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2346.60ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 61.5MB in the beginning and 60.8MB in the end (delta: 713.5kB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Witness Printer took 4.99ms. Allocated memory is still 123.7MB. Free memory is still 60.2MB. 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: [L1351] 0 int g; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; [L1373] 0 pthread_t t1; [L1374] 0 pthread_t t2; [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=200, \old(argv)={202:201}, argc=200, g=0, mut={3:0}, t1=-1] [L1356] 1 g = 1 VAL [\old(ptr)={0:0}, g=1, mut={3:0}, ptr={0:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=200, \old(argv)={202:201}, \old(ptr)={0:0}, argc=200, g=1, mut={3:0}, t1=-1, t2=0] [L1366] 2 g = 0 VAL [\old(ptr)={0:0}, g=0, mut={3:0}, ptr={0:0}] [L1358] CALL 1 __VERIFIER_assert(g == 1) [L19] COND TRUE 1 !(cond) [L19] CALL 1 reach_error() [L18] COND FALSE 1 !(0) VAL [\old(ptr)={0:0}, g=0, mut={3:0}, ptr={0:0}] [L18] 1 __assert_fail ("0", "13-privatized_67-pthread_cond_wait_true.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(ptr)={0:0}, g=0, mut={3:0}, ptr={0:0}] - UnprovableResult [Line: 1371]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1375]: 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. - UnprovableResult [Line: 1377]: 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 5 procedures, 55 locations, 5 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: 2.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 2 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=1, InterpolantAutomatonStates: 8, 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 2 NumberOfNonLiveVariables, 150 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2024-10-13 12:30:49,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample