./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/stateful01-2.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/mutex-meet/stateful01-2.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cde23df1 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/pthread/stateful01-2.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/stateful01-2.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-cde23df-m [2024-06-14 13:50:55,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 13:50:55,252 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 13:50:55,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 13:50:55,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 13:50:55,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 13:50:55,283 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 13:50:55,283 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 13:50:55,284 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 13:50:55,286 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 13:50:55,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 13:50:55,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 13:50:55,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 13:50:55,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 13:50:55,289 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 13:50:55,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 13:50:55,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 13:50:55,289 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 13:50:55,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 13:50:55,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 13:50:55,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 13:50:55,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 13:50:55,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 13:50:55,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 13:50:55,291 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 13:50:55,291 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 13:50:55,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 13:50:55,292 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 13:50:55,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 13:50:55,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 13:50:55,293 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 13:50:55,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 13:50:55,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 13:50:55,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 13:50:55,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 13:50:55,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 13:50:55,294 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 13:50:55,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 13:50:55,295 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 13:50:55,295 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 13:50:55,295 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 13:50:55,295 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 13:50:55,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 13:50:55,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 13:50:55,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 13:50:55,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 13:50:55,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 13:50:55,549 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 13:50:55,550 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 13:50:55,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/stateful01-2.yml/witness.yml [2024-06-14 13:50:55,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 13:50:55,656 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 13:50:55,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2024-06-14 13:50:56,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 13:50:57,004 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 13:50:57,005 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2024-06-14 13:50:57,016 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a55f1cca/d8421da71dd24c7987bef43baf91a9d3/FLAG981c04c4a [2024-06-14 13:50:57,026 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a55f1cca/d8421da71dd24c7987bef43baf91a9d3 [2024-06-14 13:50:57,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 13:50:57,032 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 13:50:57,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 13:50:57,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 13:50:57,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 13:50:57,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:50:55" (1/2) ... [2024-06-14 13:50:57,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e775c0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:50:57, skipping insertion in model container [2024-06-14 13:50:57,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:50:55" (1/2) ... [2024-06-14 13:50:57,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@197b1b5d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:50:57, skipping insertion in model container [2024-06-14 13:50:57,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 01:50:57" (2/2) ... [2024-06-14 13:50:57,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e775c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57, skipping insertion in model container [2024-06-14 13:50:57,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 01:50:57" (2/2) ... [2024-06-14 13:50:57,041 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 13:50:57,068 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 13:50:57,070 INFO L97 edCorrectnessWitness]: Location invariant before [L722-L722] (! multithreaded || (ma_locked || (0 <= data1 && data1 != 0))) && (! multithreaded || ((0 <= data1 && 10 <= data1) && data1 != 0)) [2024-06-14 13:50:57,070 INFO L97 edCorrectnessWitness]: Location invariant before [L723-L723] (! multithreaded || (ma_locked || (0 <= data1 && data1 != 0))) && (! multithreaded || ((0 <= data1 && 10 <= data1) && data1 != 0)) [2024-06-14 13:50:57,070 INFO L103 edCorrectnessWitness]: ghost_variable ma_locked = 0 [2024-06-14 13:50:57,071 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 13:50:57,071 INFO L106 edCorrectnessWitness]: ghost_update [L711-L711] ma_locked = 0; [2024-06-14 13:50:57,072 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] ma_locked = 0; [2024-06-14 13:50:57,072 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] ma_locked = 1; [2024-06-14 13:50:57,072 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] ma_locked = 1; [2024-06-14 13:50:57,072 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] ma_locked = 0; [2024-06-14 13:50:57,072 INFO L106 edCorrectnessWitness]: ghost_update [L709-L709] ma_locked = 1; [2024-06-14 13:50:57,072 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] ma_locked = 1; [2024-06-14 13:50:57,072 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] ma_locked = 0; [2024-06-14 13:50:57,073 INFO L106 edCorrectnessWitness]: ghost_update [L721-L721] multithreaded = 1; [2024-06-14 13:50:57,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 13:50:57,505 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 13:50:57,514 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 Start Parsing Local Start Parsing Local [2024-06-14 13:50:57,604 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 13:50:57,633 INFO L206 MainTranslator]: Completed translation [2024-06-14 13:50:57,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57 WrapperNode [2024-06-14 13:50:57,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 13:50:57,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 13:50:57,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 13:50:57,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 13:50:57,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57" (1/1) ... [2024-06-14 13:50:57,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57" (1/1) ... [2024-06-14 13:50:57,695 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2024-06-14 13:50:57,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 13:50:57,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 13:50:57,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 13:50:57,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 13:50:57,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57" (1/1) ... [2024-06-14 13:50:57,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57" (1/1) ... [2024-06-14 13:50:57,716 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57" (1/1) ... [2024-06-14 13:50:57,728 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-14 13:50:57,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57" (1/1) ... [2024-06-14 13:50:57,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57" (1/1) ... [2024-06-14 13:50:57,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57" (1/1) ... [2024-06-14 13:50:57,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57" (1/1) ... [2024-06-14 13:50:57,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57" (1/1) ... [2024-06-14 13:50:57,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57" (1/1) ... [2024-06-14 13:50:57,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 13:50:57,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 13:50:57,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 13:50:57,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 13:50:57,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57" (1/1) ... [2024-06-14 13:50:57,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 13:50:57,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 13:50:57,770 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) [2024-06-14 13:50:57,795 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 [2024-06-14 13:50:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-14 13:50:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-14 13:50:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-14 13:50:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-14 13:50:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 13:50:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 13:50:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 13:50:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 13:50:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 13:50:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 13:50:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 13:50:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 13:50:57,810 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 13:50:57,905 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 13:50:57,907 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 13:50:58,147 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 13:50:58,148 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 13:50:58,282 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 13:50:58,286 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 13:50:58,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 01:50:58 BoogieIcfgContainer [2024-06-14 13:50:58,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 13:50:58,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 13:50:58,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 13:50:58,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 13:50:58,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:50:55" (1/4) ... [2024-06-14 13:50:58,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190097f5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 01:50:58, skipping insertion in model container [2024-06-14 13:50:58,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 01:50:57" (2/4) ... [2024-06-14 13:50:58,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190097f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 01:50:58, skipping insertion in model container [2024-06-14 13:50:58,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:50:57" (3/4) ... [2024-06-14 13:50:58,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190097f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 01:50:58, skipping insertion in model container [2024-06-14 13:50:58,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 01:50:58" (4/4) ... [2024-06-14 13:50:58,296 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2024-06-14 13:50:58,311 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 13:50:58,311 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-06-14 13:50:58,311 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 13:50:58,355 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-14 13:50:58,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 34 transitions, 82 flow [2024-06-14 13:50:58,417 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-06-14 13:50:58,418 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-14 13:50:58,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 32 events. 0/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-14 13:50:58,419 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 34 transitions, 82 flow [2024-06-14 13:50:58,422 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 62 flow [2024-06-14 13:50:58,434 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 13:50:58,441 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;@7dc4e7cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 13:50:58,441 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-06-14 13:50:58,447 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 13:50:58,448 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-06-14 13:50:58,448 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 13:50:58,448 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 13:50:58,450 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 13:50:58,450 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)] === [2024-06-14 13:50:58,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 13:50:58,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1036717908, now seen corresponding path program 1 times [2024-06-14 13:50:58,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 13:50:58,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38620289] [2024-06-14 13:50:58,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 13:50:58,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 13:50:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 13:50:58,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 13:50:58,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 13:50:58,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38620289] [2024-06-14 13:50:58,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38620289] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 13:50:58,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 13:50:58,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 13:50:58,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192384092] [2024-06-14 13:50:58,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 13:50:58,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 13:50:58,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 13:50:58,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 13:50:58,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 13:50:58,821 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 34 [2024-06-14 13:50:58,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-06-14 13:50:58,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 13:50:58,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 34 [2024-06-14 13:50:58,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 13:50:58,938 INFO L124 PetriNetUnfolderBase]: 182/357 cut-off events. [2024-06-14 13:50:58,938 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-14 13:50:58,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 357 events. 182/357 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1354 event pairs, 182 based on Foata normal form. 64/417 useless extension candidates. Maximal degree in co-relation 702. Up to 337 conditions per place. [2024-06-14 13:50:58,942 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2024-06-14 13:50:58,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 26 transitions, 102 flow [2024-06-14 13:50:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 13:50:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 13:50:58,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2024-06-14 13:50:58,951 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4411764705882353 [2024-06-14 13:50:58,952 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 62 flow. Second operand 3 states and 45 transitions. [2024-06-14 13:50:58,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 26 transitions, 102 flow [2024-06-14 13:50:58,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 26 transitions, 100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-14 13:50:58,957 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2024-06-14 13:50:58,958 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2024-06-14 13:50:58,962 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, -2 predicate places. [2024-06-14 13:50:58,962 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2024-06-14 13:50:58,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-06-14 13:50:58,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-06-14 13:50:58,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-06-14 13:50:58,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-06-14 13:50:58,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-06-14 13:50:58,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 13:50:58,965 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-14 13:50:58,973 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 13:50:58,974 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 13:50:58,982 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-06-14 13:50:58,982 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-06-14 13:50:58,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 01:50:58 BasicIcfg [2024-06-14 13:50:58,984 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 13:50:58,985 INFO L158 Benchmark]: Toolchain (without parser) took 1957.54ms. Allocated memory is still 161.5MB. Free memory was 87.4MB in the beginning and 110.3MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:50:58,986 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:50:58,986 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 161.5MB. Free memory is still 134.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:50:58,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 608.50ms. Allocated memory is still 161.5MB. Free memory was 87.1MB in the beginning and 114.8MB in the end (delta: -27.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-06-14 13:50:58,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.77ms. Allocated memory is still 161.5MB. Free memory was 114.0MB in the beginning and 112.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:50:58,987 INFO L158 Benchmark]: Boogie Preprocessor took 43.34ms. Allocated memory is still 161.5MB. Free memory was 112.7MB in the beginning and 110.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 13:50:58,989 INFO L158 Benchmark]: RCFGBuilder took 545.70ms. Allocated memory is still 161.5MB. Free memory was 109.8MB in the beginning and 80.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-06-14 13:50:58,989 INFO L158 Benchmark]: TraceAbstraction took 696.15ms. Allocated memory is still 161.5MB. Free memory was 79.7MB in the beginning and 110.3MB in the end (delta: -30.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:50:58,995 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 0.18ms. Allocated memory is still 161.5MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 161.5MB. Free memory is still 134.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 608.50ms. Allocated memory is still 161.5MB. Free memory was 87.1MB in the beginning and 114.8MB in the end (delta: -27.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.77ms. Allocated memory is still 161.5MB. Free memory was 114.0MB in the beginning and 112.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.34ms. Allocated memory is still 161.5MB. Free memory was 112.7MB in the beginning and 110.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.70ms. Allocated memory is still 161.5MB. Free memory was 109.8MB in the beginning and 80.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 696.15ms. Allocated memory is still 161.5MB. Free memory was 79.7MB in the beginning and 110.3MB in the end (delta: -30.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 722]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 723]: 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, 57 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2024-06-14 13:50:59,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE