./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/protection/36-apron_17-traces-rpb-litmus_unknown_1_pos.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de 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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i ./goblint.2024-06-19_11-23-25.files/protection/36-apron_17-traces-rpb-litmus_unknown_1_pos.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-7724a2d-m [2024-06-27 21:40:02,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 21:40:02,451 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 21:40:02,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 21:40:02,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 21:40:02,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 21:40:02,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 21:40:02,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 21:40:02,480 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 21:40:02,483 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 21:40:02,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 21:40:02,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 21:40:02,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 21:40:02,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 21:40:02,485 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 21:40:02,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 21:40:02,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 21:40:02,486 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 21:40:02,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 21:40:02,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 21:40:02,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 21:40:02,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 21:40:02,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 21:40:02,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 21:40:02,488 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 21:40:02,488 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 21:40:02,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 21:40:02,488 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 21:40:02,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 21:40:02,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 21:40:02,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 21:40:02,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 21:40:02,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 21:40:02,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 21:40:02,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 21:40:02,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 21:40:02,491 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 21:40:02,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 21:40:02,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 21:40:02,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 21:40:02,492 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 21:40:02,492 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 21:40:02,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 21:40:02,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-27 21:40:02,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 21:40:02,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 21:40:02,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 21:40:02,715 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 21:40:02,717 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 21:40:02,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/protection/36-apron_17-traces-rpb-litmus_unknown_1_pos.yml/witness.yml [2024-06-27 21:40:02,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 21:40:02,811 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 21:40:02,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-06-27 21:40:03,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 21:40:03,958 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 21:40:03,959 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-06-27 21:40:03,968 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43b57b427/1b9e9eb74df548508f591b9f6f140097/FLAG77c1a34c1 [2024-06-27 21:40:03,980 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43b57b427/1b9e9eb74df548508f591b9f6f140097 [2024-06-27 21:40:03,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 21:40:03,982 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 21:40:03,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 21:40:03,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 21:40:03,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 21:40:03,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:40:02" (1/2) ... [2024-06-27 21:40:03,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb434f1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:40:03, skipping insertion in model container [2024-06-27 21:40:03,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:40:02" (1/2) ... [2024-06-27 21:40:03,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@480f0588 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:40:03, skipping insertion in model container [2024-06-27 21:40:03,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 09:40:03" (2/2) ... [2024-06-27 21:40:03,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb434f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:03, skipping insertion in model container [2024-06-27 21:40:03,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 09:40:03" (2/2) ... [2024-06-27 21:40:03,992 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 21:40:04,021 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 21:40:04,022 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ! multithreaded || (g == 17 || g == 42) [2024-06-27 21:40:04,023 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-27 21:40:04,023 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-27 21:40:04,023 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 21:40:04,023 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-27 21:40:04,024 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] A_locked = 1; [2024-06-27 21:40:04,024 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] A_locked = 0; [2024-06-27 21:40:04,024 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-06-27 21:40:04,024 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] B_locked = 1; [2024-06-27 21:40:04,024 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] B_locked = 1; [2024-06-27 21:40:04,024 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] B_locked = 0; [2024-06-27 21:40:04,025 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] A_locked = 0; [2024-06-27 21:40:04,025 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 0; [2024-06-27 21:40:04,025 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] B_locked = 1; [2024-06-27 21:40:04,025 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-27 21:40:04,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 21:40:04,331 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:40:04,350 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 Start Parsing Local Start Parsing Local [2024-06-27 21:40:04,415 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:40:04,442 INFO L206 MainTranslator]: Completed translation [2024-06-27 21:40:04,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04 WrapperNode [2024-06-27 21:40:04,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 21:40:04,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 21:40:04,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 21:40:04,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 21:40:04,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04" (1/1) ... [2024-06-27 21:40:04,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04" (1/1) ... [2024-06-27 21:40:04,478 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-06-27 21:40:04,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 21:40:04,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 21:40:04,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 21:40:04,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 21:40:04,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04" (1/1) ... [2024-06-27 21:40:04,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04" (1/1) ... [2024-06-27 21:40:04,499 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04" (1/1) ... [2024-06-27 21:40:04,509 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]. [2024-06-27 21:40:04,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04" (1/1) ... [2024-06-27 21:40:04,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04" (1/1) ... [2024-06-27 21:40:04,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04" (1/1) ... [2024-06-27 21:40:04,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04" (1/1) ... [2024-06-27 21:40:04,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04" (1/1) ... [2024-06-27 21:40:04,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04" (1/1) ... [2024-06-27 21:40:04,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 21:40:04,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 21:40:04,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 21:40:04,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 21:40:04,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04" (1/1) ... [2024-06-27 21:40:04,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 21:40:04,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 21:40:04,562 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) [2024-06-27 21:40:04,584 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 [2024-06-27 21:40:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-27 21:40:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 21:40:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-27 21:40:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-27 21:40:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 21:40:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-27 21:40:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-27 21:40:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-27 21:40:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 21:40:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 21:40:04,600 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 21:40:04,714 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 21:40:04,715 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 21:40:04,854 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 21:40:04,855 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 21:40:04,975 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 21:40:04,976 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-27 21:40:04,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 09:40:04 BoogieIcfgContainer [2024-06-27 21:40:04,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 21:40:04,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 21:40:04,978 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 21:40:04,981 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 21:40:04,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:40:02" (1/4) ... [2024-06-27 21:40:04,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd8d4c8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 09:40:04, skipping insertion in model container [2024-06-27 21:40:04,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 09:40:03" (2/4) ... [2024-06-27 21:40:04,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd8d4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 09:40:04, skipping insertion in model container [2024-06-27 21:40:04,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:40:04" (3/4) ... [2024-06-27 21:40:04,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd8d4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 09:40:04, skipping insertion in model container [2024-06-27 21:40:04,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 09:40:04" (4/4) ... [2024-06-27 21:40:04,984 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-06-27 21:40:04,997 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 21:40:04,997 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-27 21:40:04,997 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 21:40:05,031 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 21:40:05,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 31 transitions, 66 flow [2024-06-27 21:40:05,092 INFO L124 PetriNetUnfolderBase]: 1/30 cut-off events. [2024-06-27 21:40:05,093 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 21:40:05,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 30 events. 1/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2024-06-27 21:40:05,095 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 31 transitions, 66 flow [2024-06-27 21:40:05,099 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 14 transitions, 31 flow [2024-06-27 21:40:05,111 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 21:40:05,116 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;@5af0027c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 21:40:05,123 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-27 21:40:05,129 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 21:40:05,130 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-27 21:40:05,130 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 21:40:05,130 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 21:40:05,131 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-27 21:40:05,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-27 21:40:05,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 21:40:05,138 INFO L85 PathProgramCache]: Analyzing trace with hash 241601140, now seen corresponding path program 1 times [2024-06-27 21:40:05,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 21:40:05,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669066405] [2024-06-27 21:40:05,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 21:40:05,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 21:40:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 21:40:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 21:40:05,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 21:40:05,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669066405] [2024-06-27 21:40:05,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669066405] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 21:40:05,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 21:40:05,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 21:40:05,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853109819] [2024-06-27 21:40:05,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 21:40:05,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 21:40:05,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 21:40:05,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 21:40:05,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 21:40:05,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 31 [2024-06-27 21:40:05,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 14 transitions, 31 flow. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 21:40:05,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 21:40:05,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 31 [2024-06-27 21:40:05,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 21:40:05,466 INFO L124 PetriNetUnfolderBase]: 6/26 cut-off events. [2024-06-27 21:40:05,466 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-27 21:40:05,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 26 events. 6/26 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 6 based on Foata normal form. 7/32 useless extension candidates. Maximal degree in co-relation 42. Up to 21 conditions per place. [2024-06-27 21:40:05,468 INFO L140 encePairwiseOnDemand]: 29/31 looper letters, 0 selfloop transitions, 0 changer transitions 13/13 dead transitions. [2024-06-27 21:40:05,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 13 transitions, 47 flow [2024-06-27 21:40:05,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 21:40:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 21:40:05,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-06-27 21:40:05,476 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4946236559139785 [2024-06-27 21:40:05,480 INFO L175 Difference]: Start difference. First operand has 18 places, 14 transitions, 31 flow. Second operand 3 states and 46 transitions. [2024-06-27 21:40:05,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 13 transitions, 47 flow [2024-06-27 21:40:05,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 13 transitions, 46 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-27 21:40:05,483 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2024-06-27 21:40:05,485 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2024-06-27 21:40:05,489 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 0 predicate places. [2024-06-27 21:40:05,489 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2024-06-27 21:40:05,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 21:40:05,491 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-27 21:40:05,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-27 21:40:05,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 21:40:05,492 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-27 21:40:05,506 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-27 21:40:05,506 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-27 21:40:05,514 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-27 21:40:05,515 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-27 21:40:05,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.06 09:40:05 BasicIcfg [2024-06-27 21:40:05,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-27 21:40:05,516 INFO L158 Benchmark]: Toolchain (without parser) took 1534.73ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 57.3MB in the beginning and 131.7MB in the end (delta: -74.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:40:05,517 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:40:05,518 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:40:05,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.70ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 57.1MB in the beginning and 131.6MB in the end (delta: -74.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-06-27 21:40:05,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.93ms. Allocated memory is still 180.4MB. Free memory was 131.6MB in the beginning and 129.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 21:40:05,521 INFO L158 Benchmark]: Boogie Preprocessor took 37.41ms. Allocated memory is still 180.4MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 21:40:05,521 INFO L158 Benchmark]: RCFGBuilder took 458.74ms. Allocated memory is still 180.4MB. Free memory was 127.4MB in the beginning and 97.2MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-06-27 21:40:05,521 INFO L158 Benchmark]: TraceAbstraction took 538.12ms. Allocated memory is still 180.4MB. Free memory was 96.8MB in the beginning and 131.7MB in the end (delta: -34.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:40:05,527 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 0.15ms. Allocated memory is still 134.2MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.70ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 57.1MB in the beginning and 131.6MB in the end (delta: -74.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.93ms. Allocated memory is still 180.4MB. Free memory was 131.6MB in the beginning and 129.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.41ms. Allocated memory is still 180.4MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 458.74ms. Allocated memory is still 180.4MB. Free memory was 127.4MB in the beginning and 97.2MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 538.12ms. Allocated memory is still 180.4MB. Free memory was 96.8MB in the beginning and 131.7MB in the end (delta: -34.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: 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 3 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 12 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=31occurred 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-27 21:40:05,552 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