./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_67-pthread_cond_wait_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f 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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_67-pthread_cond_wait_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-bcb38a6-m [2024-06-04 15:49:17,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-04 15:49:17,307 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-04 15:49:17,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-04 15:49:17,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-04 15:49:17,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-04 15:49:17,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-04 15:49:17,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-04 15:49:17,345 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-04 15:49:17,350 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-04 15:49:17,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-04 15:49:17,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-04 15:49:17,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-04 15:49:17,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-04 15:49:17,352 INFO L153 SettingsManager]: * Use SBE=true [2024-06-04 15:49:17,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-04 15:49:17,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-04 15:49:17,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-04 15:49:17,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-04 15:49:17,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-04 15:49:17,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-04 15:49:17,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-04 15:49:17,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-04 15:49:17,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-04 15:49:17,355 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-04 15:49:17,355 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-04 15:49:17,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-04 15:49:17,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-04 15:49:17,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-04 15:49:17,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-04 15:49:17,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-04 15:49:17,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-04 15:49:17,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 15:49:17,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-04 15:49:17,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-04 15:49:17,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-04 15:49:17,358 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-04 15:49:17,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-04 15:49:17,359 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-04 15:49:17,359 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-04 15:49:17,359 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-04 15:49:17,359 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-04 15:49:17,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-04 15:49:17,360 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-04 15:49:17,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-04 15:49:17,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-04 15:49:17,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-04 15:49:17,625 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-04 15:49:17,626 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-04 15:49:17,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/13-privatized_67-pthread_cond_wait_true.yml/witness.yml [2024-06-04 15:49:17,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-04 15:49:17,711 INFO L274 PluginConnector]: CDTParser initialized [2024-06-04 15:49:17,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-06-04 15:49:18,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-04 15:49:19,054 INFO L384 CDTParser]: Found 1 translation units. [2024-06-04 15:49:19,055 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-06-04 15:49:19,067 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1589133e4/9cd62b1d4cc8499081363eb1d00f1ea3/FLAG19b227348 [2024-06-04 15:49:19,076 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1589133e4/9cd62b1d4cc8499081363eb1d00f1ea3 [2024-06-04 15:49:19,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-04 15:49:19,078 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-04 15:49:19,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-04 15:49:19,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-04 15:49:19,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-04 15:49:19,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 03:49:17" (1/2) ... [2024-06-04 15:49:19,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e13bc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 03:49:19, skipping insertion in model container [2024-06-04 15:49:19,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 03:49:17" (1/2) ... [2024-06-04 15:49:19,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4079661e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 03:49:19, skipping insertion in model container [2024-06-04 15:49:19,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 03:49:19" (2/2) ... [2024-06-04 15:49:19,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e13bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19, skipping insertion in model container [2024-06-04 15:49:19,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 03:49:19" (2/2) ... [2024-06-04 15:49:19,086 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-04 15:49:19,113 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-04 15:49:19,114 INFO L97 edCorrectnessWitness]: Location invariant before [L1378-L1378] ! multithreaded || ((0 <= g && g <= 1) && (g == 0 || g == 1)) [2024-06-04 15:49:19,114 INFO L97 edCorrectnessWitness]: Location invariant before [L1376-L1376] ! multithreaded || ((0 <= g && g <= 1) && (g == 0 || g == 1)) [2024-06-04 15:49:19,115 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-04 15:49:19,115 INFO L103 edCorrectnessWitness]: ghost_variable mut_locked = 0 [2024-06-04 15:49:19,115 INFO L106 edCorrectnessWitness]: ghost_update [L1365-L1365] mut_locked = 1; [2024-06-04 15:49:19,115 INFO L106 edCorrectnessWitness]: ghost_update [L1375-L1375] multithreaded = 1; [2024-06-04 15:49:19,115 INFO L106 edCorrectnessWitness]: ghost_update [L1355-L1355] mut_locked = 1; [2024-06-04 15:49:19,115 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 0; [2024-06-04 15:49:19,115 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 1; [2024-06-04 15:49:19,116 INFO L106 edCorrectnessWitness]: ghost_update [L1368-L1368] mut_locked = 0; [2024-06-04 15:49:19,116 INFO L106 edCorrectnessWitness]: ghost_update [L1361-L1361] mut_locked = 0; [2024-06-04 15:49:19,150 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-04 15:49:19,582 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 15:49:19,593 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-04 15:49:19,675 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 15:49:19,735 INFO L206 MainTranslator]: Completed translation [2024-06-04 15:49:19,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19 WrapperNode [2024-06-04 15:49:19,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-04 15:49:19,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-04 15:49:19,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-04 15:49:19,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-04 15:49:19,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,811 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2024-06-04 15:49:19,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-04 15:49:19,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-04 15:49:19,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-04 15:49:19,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-04 15:49:19,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,834 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,856 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]. [2024-06-04 15:49:19,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-04 15:49:19,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-04 15:49:19,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-04 15:49:19,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-04 15:49:19,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 15:49:19,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-04 15:49:19,940 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) [2024-06-04 15:49:19,960 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 [2024-06-04 15:49:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-06-04 15:49:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-06-04 15:49:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-06-04 15:49:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-06-04 15:49:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-04 15:49:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-04 15:49:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-04 15:49:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-04 15:49:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-04 15:49:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-04 15:49:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-04 15:49:19,977 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-04 15:49:20,215 INFO L244 CfgBuilder]: Building ICFG [2024-06-04 15:49:20,223 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-04 15:49:20,406 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-04 15:49:20,407 INFO L293 CfgBuilder]: Performing block encoding [2024-06-04 15:49:20,504 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-04 15:49:20,505 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-04 15:49:20,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 03:49:20 BoogieIcfgContainer [2024-06-04 15:49:20,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-04 15:49:20,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-04 15:49:20,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-04 15:49:20,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-04 15:49:20,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 03:49:17" (1/4) ... [2024-06-04 15:49:20,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178fdb11 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 03:49:20, skipping insertion in model container [2024-06-04 15:49:20,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.06 03:49:19" (2/4) ... [2024-06-04 15:49:20,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178fdb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 03:49:20, skipping insertion in model container [2024-06-04 15:49:20,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (3/4) ... [2024-06-04 15:49:20,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178fdb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 03:49:20, skipping insertion in model container [2024-06-04 15:49:20,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 03:49:20" (4/4) ... [2024-06-04 15:49:20,520 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2024-06-04 15:49:20,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-04 15:49:20,533 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-06-04 15:49:20,533 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-04 15:49:20,597 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-04 15:49:20,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 72 flow [2024-06-04 15:49:20,636 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-06-04 15:49:20,636 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-04 15:49:20,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 27 events. 0/27 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-04 15:49:20,637 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 29 transitions, 72 flow [2024-06-04 15:49:20,639 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 23 transitions, 52 flow [2024-06-04 15:49:20,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-04 15:49:20,650 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@73c3d68b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-04 15:49:20,650 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-06-04 15:49:20,653 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-04 15:49:20,653 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-04 15:49:20,653 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-04 15:49:20,653 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 15:49:20,653 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-04 15:49:20,654 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-06-04 15:49:20,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 15:49:20,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1093532161, now seen corresponding path program 1 times [2024-06-04 15:49:20,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 15:49:20,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656075599] [2024-06-04 15:49:20,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 15:49:20,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 15:49:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 15:49:20,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 15:49:20,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 15:49:20,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656075599] [2024-06-04 15:49:20,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656075599] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 15:49:20,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 15:49:20,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-04 15:49:20,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677455382] [2024-06-04 15:49:20,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 15:49:20,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 15:49:20,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 15:49:20,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 15:49:20,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 15:49:20,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 29 [2024-06-04 15:49:20,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 23 transitions, 52 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-06-04 15:49:20,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 15:49:20,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 29 [2024-06-04 15:49:20,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 15:49:21,063 INFO L124 PetriNetUnfolderBase]: 170/343 cut-off events. [2024-06-04 15:49:21,063 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-04 15:49:21,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 343 events. 170/343 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1464 event pairs, 101 based on Foata normal form. 43/380 useless extension candidates. Maximal degree in co-relation 691. Up to 220 conditions per place. [2024-06-04 15:49:21,067 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 27 selfloop transitions, 4 changer transitions 0/33 dead transitions. [2024-06-04 15:49:21,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 33 transitions, 137 flow [2024-06-04 15:49:21,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-04 15:49:21,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-04 15:49:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2024-06-04 15:49:21,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5632183908045977 [2024-06-04 15:49:21,078 INFO L175 Difference]: Start difference. First operand has 30 places, 23 transitions, 52 flow. Second operand 3 states and 49 transitions. [2024-06-04 15:49:21,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 33 transitions, 137 flow [2024-06-04 15:49:21,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 33 transitions, 134 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-04 15:49:21,083 INFO L231 Difference]: Finished difference. Result has 32 places, 24 transitions, 74 flow [2024-06-04 15:49:21,084 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=32, PETRI_TRANSITIONS=24} [2024-06-04 15:49:21,087 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2024-06-04 15:49:21,088 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 24 transitions, 74 flow [2024-06-04 15:49:21,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-06-04 15:49:21,088 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 15:49:21,088 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-04 15:49:21,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-04 15:49:21,089 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-06-04 15:49:21,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 15:49:21,090 INFO L85 PathProgramCache]: Analyzing trace with hash -68072901, now seen corresponding path program 1 times [2024-06-04 15:49:21,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 15:49:21,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566898285] [2024-06-04 15:49:21,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 15:49:21,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 15:49:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 15:49:21,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 15:49:21,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 15:49:21,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566898285] [2024-06-04 15:49:21,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566898285] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 15:49:21,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 15:49:21,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-04 15:49:21,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142716839] [2024-06-04 15:49:21,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 15:49:21,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 15:49:21,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 15:49:21,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 15:49:21,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 15:49:21,172 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 29 [2024-06-04 15:49:21,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 24 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-06-04 15:49:21,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 15:49:21,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 29 [2024-06-04 15:49:21,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 15:49:21,301 INFO L124 PetriNetUnfolderBase]: 131/259 cut-off events. [2024-06-04 15:49:21,302 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-06-04 15:49:21,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 259 events. 131/259 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 983 event pairs, 77 based on Foata normal form. 18/274 useless extension candidates. Maximal degree in co-relation 597. Up to 176 conditions per place. [2024-06-04 15:49:21,304 INFO L140 encePairwiseOnDemand]: 24/29 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2024-06-04 15:49:21,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 31 transitions, 144 flow [2024-06-04 15:49:21,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-04 15:49:21,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-04 15:49:21,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-06-04 15:49:21,306 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5287356321839081 [2024-06-04 15:49:21,306 INFO L175 Difference]: Start difference. First operand has 32 places, 24 transitions, 74 flow. Second operand 3 states and 46 transitions. [2024-06-04 15:49:21,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 31 transitions, 144 flow [2024-06-04 15:49:21,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 31 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-04 15:49:21,307 INFO L231 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2024-06-04 15:49:21,308 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2024-06-04 15:49:21,309 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 0 predicate places. [2024-06-04 15:49:21,310 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 0 transitions, 0 flow [2024-06-04 15:49:21,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-06-04 15:49:21,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-06-04 15:49:21,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-06-04 15:49:21,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-06-04 15:49:21,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-06-04 15:49:21,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-04 15:49:21,317 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-04 15:49:21,319 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-04 15:49:21,324 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-04 15:49:21,327 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-06-04 15:49:21,328 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-06-04 15:49:21,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.06 03:49:21 BasicIcfg [2024-06-04 15:49:21,329 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-04 15:49:21,330 INFO L158 Benchmark]: Toolchain (without parser) took 2251.70ms. Allocated memory is still 178.3MB. Free memory was 118.2MB in the beginning and 137.0MB in the end (delta: -18.7MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2024-06-04 15:49:21,331 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 121.6MB. Free memory was 92.6MB in the beginning and 92.5MB in the end (delta: 82.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 15:49:21,331 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 89.3MB in the beginning and 89.2MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 15:49:21,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.18ms. Allocated memory is still 178.3MB. Free memory was 117.9MB in the beginning and 117.7MB in the end (delta: 163.2kB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-06-04 15:49:21,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.88ms. Allocated memory is still 178.3MB. Free memory was 117.7MB in the beginning and 114.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-04 15:49:21,335 INFO L158 Benchmark]: Boogie Preprocessor took 86.14ms. Allocated memory is still 178.3MB. Free memory was 114.9MB in the beginning and 111.5MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-04 15:49:21,335 INFO L158 Benchmark]: RCFGBuilder took 614.35ms. Allocated memory is still 178.3MB. Free memory was 111.5MB in the beginning and 79.3MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-06-04 15:49:21,336 INFO L158 Benchmark]: TraceAbstraction took 813.61ms. Allocated memory is still 178.3MB. Free memory was 78.6MB in the beginning and 137.0MB in the end (delta: -58.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-06-04 15:49:21,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 121.6MB. Free memory was 92.6MB in the beginning and 92.5MB in the end (delta: 82.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 89.3MB in the beginning and 89.2MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.18ms. Allocated memory is still 178.3MB. Free memory was 117.9MB in the beginning and 117.7MB in the end (delta: 163.2kB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.88ms. Allocated memory is still 178.3MB. Free memory was 117.7MB in the beginning and 114.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.14ms. Allocated memory is still 178.3MB. Free memory was 114.9MB in the beginning and 111.5MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 614.35ms. Allocated memory is still 178.3MB. Free memory was 111.5MB in the beginning and 79.3MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 813.61ms. Allocated memory is still 178.3MB. Free memory was 78.6MB in the beginning and 137.0MB in the end (delta: -58.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1376]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1378]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 3 mSDtfsCounter, 85 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-04 15:49:21,397 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: TRUE