./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/stateful01-1.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/stateful01-1.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/stateful01-1.i ./goblint.2024-05-21_14-57-05.files/protection/stateful01-1.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 11:45:47,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 11:45:47,587 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 11:45:47,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 11:45:47,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 11:45:47,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 11:45:47,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 11:45:47,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 11:45:47,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 11:45:47,632 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 11:45:47,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 11:45:47,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 11:45:47,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 11:45:47,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 11:45:47,635 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 11:45:47,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 11:45:47,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 11:45:47,636 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 11:45:47,636 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 11:45:47,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 11:45:47,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 11:45:47,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 11:45:47,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 11:45:47,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 11:45:47,638 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 11:45:47,638 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 11:45:47,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 11:45:47,639 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 11:45:47,640 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 11:45:47,640 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 11:45:47,641 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 11:45:47,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 11:45:47,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 11:45:47,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 11:45:47,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 11:45:47,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 11:45:47,642 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 11:45:47,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 11:45:47,643 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 11:45:47,643 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 11:45:47,643 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 11:45:47,643 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 11:45:47,644 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 11:45:47,644 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 11:45:47,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 11:45:47,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 11:45:47,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 11:45:47,917 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 11:45:47,918 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 11:45:47,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/stateful01-1.yml/witness.yml [2024-06-14 11:45:48,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 11:45:48,009 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 11:45:48,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2024-06-14 11:45:49,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 11:45:49,452 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 11:45:49,452 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2024-06-14 11:45:49,464 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53e980ab8/1f6d2afe25a24af4a3e11d3c8215e4d4/FLAG15d4b606e [2024-06-14 11:45:49,476 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53e980ab8/1f6d2afe25a24af4a3e11d3c8215e4d4 [2024-06-14 11:45:49,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 11:45:49,478 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 11:45:49,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 11:45:49,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 11:45:49,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 11:45:49,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:45:48" (1/2) ... [2024-06-14 11:45:49,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b8e119 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:45:49, skipping insertion in model container [2024-06-14 11:45:49,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:45:48" (1/2) ... [2024-06-14 11:45:49,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b1d4d31 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:45:49, skipping insertion in model container [2024-06-14 11:45:49,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:45:49" (2/2) ... [2024-06-14 11:45:49,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b8e119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:49, skipping insertion in model container [2024-06-14 11:45:49,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:45:49" (2/2) ... [2024-06-14 11:45:49,491 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 11:45:49,534 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 11:45:49,535 INFO L97 edCorrectnessWitness]: Location invariant before [L722-L722] ! multithreaded || 10 <= data1 [2024-06-14 11:45:49,535 INFO L97 edCorrectnessWitness]: Location invariant before [L723-L723] ! multithreaded || 10 <= data1 [2024-06-14 11:45:49,535 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 11:45:49,536 INFO L103 edCorrectnessWitness]: ghost_variable ma_locked = 0 [2024-06-14 11:45:49,536 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] ma_locked = 1; [2024-06-14 11:45:49,536 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] ma_locked = 0; [2024-06-14 11:45:49,536 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] ma_locked = 1; [2024-06-14 11:45:49,536 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] ma_locked = 0; [2024-06-14 11:45:49,536 INFO L106 edCorrectnessWitness]: ghost_update [L709-L709] ma_locked = 1; [2024-06-14 11:45:49,537 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] ma_locked = 0; [2024-06-14 11:45:49,537 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] ma_locked = 1; [2024-06-14 11:45:49,537 INFO L106 edCorrectnessWitness]: ghost_update [L721-L721] multithreaded = 1; [2024-06-14 11:45:49,537 INFO L106 edCorrectnessWitness]: ghost_update [L711-L711] ma_locked = 0; [2024-06-14 11:45:49,582 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 11:45:49,937 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 11:45:49,947 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 11:45:50,033 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 11:45:50,070 INFO L206 MainTranslator]: Completed translation [2024-06-14 11:45:50,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50 WrapperNode [2024-06-14 11:45:50,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 11:45:50,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 11:45:50,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 11:45:50,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 11:45:50,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50" (1/1) ... [2024-06-14 11:45:50,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50" (1/1) ... [2024-06-14 11:45:50,141 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2024-06-14 11:45:50,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 11:45:50,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 11:45:50,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 11:45:50,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 11:45:50,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50" (1/1) ... [2024-06-14 11:45:50,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50" (1/1) ... [2024-06-14 11:45:50,161 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50" (1/1) ... [2024-06-14 11:45:50,191 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 11:45:50,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50" (1/1) ... [2024-06-14 11:45:50,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50" (1/1) ... [2024-06-14 11:45:50,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50" (1/1) ... [2024-06-14 11:45:50,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50" (1/1) ... [2024-06-14 11:45:50,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50" (1/1) ... [2024-06-14 11:45:50,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50" (1/1) ... [2024-06-14 11:45:50,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 11:45:50,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 11:45:50,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 11:45:50,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 11:45:50,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50" (1/1) ... [2024-06-14 11:45:50,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 11:45:50,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 11:45:50,249 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 11:45:50,276 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 11:45:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-14 11:45:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-14 11:45:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-14 11:45:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-14 11:45:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 11:45:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 11:45:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 11:45:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 11:45:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 11:45:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 11:45:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 11:45:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 11:45:50,299 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 11:45:50,450 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 11:45:50,452 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 11:45:50,675 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 11:45:50,675 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 11:45:50,845 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 11:45:50,845 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 11:45:50,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:45:50 BoogieIcfgContainer [2024-06-14 11:45:50,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 11:45:50,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 11:45:50,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 11:45:50,853 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 11:45:50,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:45:48" (1/4) ... [2024-06-14 11:45:50,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2581be52 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 11:45:50, skipping insertion in model container [2024-06-14 11:45:50,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 11:45:49" (2/4) ... [2024-06-14 11:45:50,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2581be52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:45:50, skipping insertion in model container [2024-06-14 11:45:50,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:45:50" (3/4) ... [2024-06-14 11:45:50,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2581be52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:45:50, skipping insertion in model container [2024-06-14 11:45:50,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:45:50" (4/4) ... [2024-06-14 11:45:50,858 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2024-06-14 11:45:50,876 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 11:45:50,877 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-06-14 11:45:50,877 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 11:45:50,910 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-14 11:45:50,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 34 transitions, 82 flow [2024-06-14 11:45:50,964 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-06-14 11:45:50,965 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-14 11:45:50,967 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 11:45:50,967 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 34 transitions, 82 flow [2024-06-14 11:45:50,970 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 62 flow [2024-06-14 11:45:50,979 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 11:45:50,985 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;@ddd2140, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 11:45:50,985 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-06-14 11:45:50,995 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 11:45:50,995 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-06-14 11:45:50,995 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:45:50,996 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 11:45:50,997 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 11:45:50,997 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 11:45:51,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 11:45:51,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1036717908, now seen corresponding path program 1 times [2024-06-14 11:45:51,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 11:45:51,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654817863] [2024-06-14 11:45:51,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 11:45:51,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 11:45:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 11:45:51,247 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 11:45:51,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 11:45:51,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654817863] [2024-06-14 11:45:51,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654817863] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 11:45:51,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 11:45:51,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 11:45:51,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802107848] [2024-06-14 11:45:51,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 11:45:51,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 11:45:51,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 11:45:51,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 11:45:51,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 11:45:51,294 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 34 [2024-06-14 11:45:51,296 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 11:45:51,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 11:45:51,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 34 [2024-06-14 11:45:51,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 11:45:51,451 INFO L124 PetriNetUnfolderBase]: 182/357 cut-off events. [2024-06-14 11:45:51,451 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-14 11:45:51,454 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 11:45:51,456 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2024-06-14 11:45:51,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 26 transitions, 102 flow [2024-06-14 11:45:51,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 11:45:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 11:45:51,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2024-06-14 11:45:51,472 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4411764705882353 [2024-06-14 11:45:51,473 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 62 flow. Second operand 3 states and 45 transitions. [2024-06-14 11:45:51,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 26 transitions, 102 flow [2024-06-14 11:45:51,477 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 11:45:51,478 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2024-06-14 11:45:51,480 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 11:45:51,484 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, -2 predicate places. [2024-06-14 11:45:51,484 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2024-06-14 11:45:51,484 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 11:45:51,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-06-14 11:45:51,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-06-14 11:45:51,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-06-14 11:45:51,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-06-14 11:45:51,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 11:45:51,488 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-14 11:45:51,502 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 11:45:51,502 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 11:45:51,511 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-06-14 11:45:51,512 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-06-14 11:45:51,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 11:45:51 BasicIcfg [2024-06-14 11:45:51,514 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 11:45:51,515 INFO L158 Benchmark]: Toolchain (without parser) took 2036.18ms. Allocated memory is still 163.6MB. Free memory was 104.0MB in the beginning and 85.8MB in the end (delta: 18.2MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-06-14 11:45:51,516 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:45:51,516 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:45:51,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.59ms. Allocated memory is still 163.6MB. Free memory was 104.0MB in the beginning and 77.8MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-14 11:45:51,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.52ms. Allocated memory is still 163.6MB. Free memory was 77.8MB in the beginning and 75.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 11:45:51,520 INFO L158 Benchmark]: Boogie Preprocessor took 75.56ms. Allocated memory is still 163.6MB. Free memory was 75.7MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 11:45:51,521 INFO L158 Benchmark]: RCFGBuilder took 627.98ms. Allocated memory is still 163.6MB. Free memory was 73.6MB in the beginning and 130.7MB in the end (delta: -57.1MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2024-06-14 11:45:51,521 INFO L158 Benchmark]: TraceAbstraction took 664.01ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 85.8MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-06-14 11:45:51,527 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 0.20ms. Allocated memory is still 163.6MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.59ms. Allocated memory is still 163.6MB. Free memory was 104.0MB in the beginning and 77.8MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.52ms. Allocated memory is still 163.6MB. Free memory was 77.8MB in the beginning and 75.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.56ms. Allocated memory is still 163.6MB. Free memory was 75.7MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 627.98ms. Allocated memory is still 163.6MB. Free memory was 73.6MB in the beginning and 130.7MB in the end (delta: -57.1MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * TraceAbstraction took 664.01ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 85.8MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. 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, 0.1s 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, 0.1s 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 11:45:51,552 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